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Finding the Fourth Proportional to 658,328.91, 987,493.37 and 185,014.27

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Solution

The fourth proportional to 658,328.91, 987,493.37 and 185,014.27 is: 277,521.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,328.91 : 987,493.37 = 185,014.27 : x
  2. Step 2: Convert to fraction form
    658,328.91/987,493.37 = 185,014.27/x
  3. Step 3: Cross multiply
    658,328.91x = 987,493.37 × 185,014.27
  4. Step 4: Simplify right side
    658,328.91x = 182,700,364,980.39
  5. Step 5: Solve for x
    x = 182,700,364,980.39/658,328.91
  6. Step 6: Final answer
    x = 277,521.41

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Double scale
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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.