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Finding the Fourth Proportional to 435,605.68, 653,477.72 and 151,383.12

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Solution

The fourth proportional to 435,605.68, 653,477.72 and 151,383.12 is: 227,098.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,605.68 : 653,477.72 = 151,383.12 : x
  2. Step 2: Convert to fraction form
    435,605.68/653,477.72 = 151,383.12/x
  3. Step 3: Cross multiply
    435,605.68x = 653,477.72 × 151,383.12
  4. Step 4: Simplify right side
    435,605.68x = 98,925,496,104.09
  5. Step 5: Solve for x
    x = 98,925,496,104.09/435,605.68
  6. Step 6: Final answer
    x = 227,098.73

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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.