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Finding the Fourth Proportional to 657,915.40, 986,873.10 and 237,233.80

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Solution

The fourth proportional to 657,915.40, 986,873.10 and 237,233.80 is: 355,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,915.40 : 986,873.10 = 237,233.80 : x
  2. Step 2: Convert to fraction form
    657,915.40/986,873.10 = 237,233.80/x
  3. Step 3: Cross multiply
    657,915.40x = 986,873.10 × 237,233.80
  4. Step 4: Simplify right side
    657,915.40x = 234,119,655,630.78
  5. Step 5: Solve for x
    x = 234,119,655,630.78/657,915.40
  6. Step 6: Final answer
    x = 355,850.70

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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.