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Finding the Fourth Proportional to 437,302.17, 656,143.88 and 153,196.83

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Solution

The fourth proportional to 437,302.17, 656,143.88 and 153,196.83 is: 229,862.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,302.17 : 656,143.88 = 153,196.83 : x
  2. Step 2: Convert to fraction form
    437,302.17/656,143.88 = 153,196.83/x
  3. Step 3: Cross multiply
    437,302.17x = 656,143.88 × 153,196.83
  4. Step 4: Simplify right side
    437,302.17x = 100,519,161,673.92
  5. Step 5: Solve for x
    x = 100,519,161,673.92/437,302.17
  6. Step 6: Final answer
    x = 229,862.02

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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.