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Finding the Fourth Proportional to 437,071.64, 655,720.14 and 237,340.76

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Solution

The fourth proportional to 437,071.64, 655,720.14 and 237,340.76 is: 356,072.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,071.64 : 655,720.14 = 237,340.76 : x
  2. Step 2: Convert to fraction form
    437,071.64/655,720.14 = 237,340.76/x
  3. Step 3: Cross multiply
    437,071.64x = 655,720.14 × 237,340.76
  4. Step 4: Simplify right side
    437,071.64x = 155,629,116,374.91
  5. Step 5: Solve for x
    x = 155,629,116,374.91/437,071.64
  6. Step 6: Final answer
    x = 356,072.33

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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.