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Finding the Fourth Proportional to 437,758.61, 656,588.68 and 117,934.11

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Solution

The fourth proportional to 437,758.61, 656,588.68 and 117,934.11 is: 176,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,758.61 : 656,588.68 = 117,934.11 : x
  2. Step 2: Convert to fraction form
    437,758.61/656,588.68 = 117,934.11/x
  3. Step 3: Cross multiply
    437,758.61x = 656,588.68 × 117,934.11
  4. Step 4: Simplify right side
    437,758.61x = 77,434,201,317.04
  5. Step 5: Solve for x
    x = 77,434,201,317.04/437,758.61
  6. Step 6: Final answer
    x = 176,887.90

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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.