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Finding the Fourth Proportional to 466,414.89, 698,501.18 and 266,128.08

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Solution

The fourth proportional to 466,414.89, 698,501.18 and 266,128.08 is: 398,552.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,414.89 : 698,501.18 = 266,128.08 : x
  2. Step 2: Convert to fraction form
    466,414.89/698,501.18 = 266,128.08/x
  3. Step 3: Cross multiply
    466,414.89x = 698,501.18 × 266,128.08
  4. Step 4: Simplify right side
    466,414.89x = 185,890,776,580.49
  5. Step 5: Solve for x
    x = 185,890,776,580.49/466,414.89
  6. Step 6: Final answer
    x = 398,552.41

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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.