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Finding the Fourth Proportional to 713,862.72, 1,070,892.84 and 240,683.40

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Solution

The fourth proportional to 713,862.72, 1,070,892.84 and 240,683.40 is: 361,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,862.72 : 1,070,892.84 = 240,683.40 : x
  2. Step 2: Convert to fraction form
    713,862.72/1,070,892.84 = 240,683.40/x
  3. Step 3: Cross multiply
    713,862.72x = 1,070,892.84 × 240,683.40
  4. Step 4: Simplify right side
    713,862.72x = 257,746,129,766.86
  5. Step 5: Solve for x
    x = 257,746,129,766.86/713,862.72
  6. Step 6: Final answer
    x = 361,058.40

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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.