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Finding the Fourth Proportional to 658,324.50, 987,486.75 and 185,009.86

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Solution

The fourth proportional to 658,324.50, 987,486.75 and 185,009.86 is: 277,514.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,324.50 : 987,486.75 = 185,009.86 : x
  2. Step 2: Convert to fraction form
    658,324.50/987,486.75 = 185,009.86/x
  3. Step 3: Cross multiply
    658,324.50x = 987,486.75 × 185,009.86
  4. Step 4: Simplify right side
    658,324.50x = 182,694,785,369.36
  5. Step 5: Solve for x
    x = 182,694,785,369.36/658,324.50
  6. Step 6: Final answer
    x = 277,514.79

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Half scale
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Double scale
Find fourth proportional to 658,325.50, 987,488.25 and 185,010.86
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.