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Finding the Fourth Proportional to 658,010.88, 987,016.32 and 377,706.24

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Solution

The fourth proportional to 658,010.88, 987,016.32 and 377,706.24 is: 566,559.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,010.88 : 987,016.32 = 377,706.24 : x
  2. Step 2: Convert to fraction form
    658,010.88/987,016.32 = 377,706.24/x
  3. Step 3: Cross multiply
    658,010.88x = 987,016.32 × 377,706.24
  4. Step 4: Simplify right side
    658,010.88x = 372,802,223,045.84
  5. Step 5: Solve for x
    x = 372,802,223,045.84/658,010.88
  6. Step 6: Final answer
    x = 566,559.36

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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.