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Finding the Fourth Proportional to 657,868.34, 986,801.88 and 247,614.25

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Solution

The fourth proportional to 657,868.34, 986,801.88 and 247,614.25 is: 371,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,868.34 : 986,801.88 = 247,614.25 : x
  2. Step 2: Convert to fraction form
    657,868.34/986,801.88 = 247,614.25/x
  3. Step 3: Cross multiply
    657,868.34x = 986,801.88 × 247,614.25
  4. Step 4: Simplify right side
    657,868.34x = 244,346,207,414.79
  5. Step 5: Solve for x
    x = 244,346,207,414.79/657,868.34
  6. Step 6: Final answer
    x = 371,421.14

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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.