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Finding the Fourth Proportional to 482,569.92, 665,938.80 and 267,706.08

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Solution

The fourth proportional to 482,569.92, 665,938.80 and 267,706.08 is: 369,430.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,569.92 : 665,938.80 = 267,706.08 : x
  2. Step 2: Convert to fraction form
    482,569.92/665,938.80 = 267,706.08/x
  3. Step 3: Cross multiply
    482,569.92x = 665,938.80 × 267,706.08
  4. Step 4: Simplify right side
    482,569.92x = 178,275,865,667.90
  5. Step 5: Solve for x
    x = 178,275,865,667.90/482,569.92
  6. Step 6: Final answer
    x = 369,430.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.