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Finding the Fourth Proportional to 713,674.17, 1,070,513.10 and 240,691.77

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Solution

The fourth proportional to 713,674.17, 1,070,513.10 and 240,691.77 is: 361,038.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,674.17 : 1,070,513.10 = 240,691.77 : x
  2. Step 2: Convert to fraction form
    713,674.17/1,070,513.10 = 240,691.77/x
  3. Step 3: Cross multiply
    713,674.17x = 1,070,513.10 × 240,691.77
  4. Step 4: Simplify right side
    713,674.17x = 257,663,692,847.19
  5. Step 5: Solve for x
    x = 257,663,692,847.19/713,674.17
  6. Step 6: Final answer
    x = 361,038.28

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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.