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Finding the Fourth Proportional to 437,810.13, 656,691.17 and 134,203.77

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Solution

The fourth proportional to 437,810.13, 656,691.17 and 134,203.77 is: 201,298.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,810.13 : 656,691.17 = 134,203.77 : x
  2. Step 2: Convert to fraction form
    437,810.13/656,691.17 = 134,203.77/x
  3. Step 3: Cross multiply
    437,810.13x = 656,691.17 × 134,203.77
  4. Step 4: Simplify right side
    437,810.13x = 88,130,430,068.69
  5. Step 5: Solve for x
    x = 88,130,430,068.69/437,810.13
  6. Step 6: Final answer
    x = 201,298.29

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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.