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Finding the Fourth Proportional to 435,855.61, 653,888.81 and 151,505.11

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Solution

The fourth proportional to 435,855.61, 653,888.81 and 151,505.11 is: 227,294.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,855.61 : 653,888.81 = 151,505.11 : x
  2. Step 2: Convert to fraction form
    435,855.61/653,888.81 = 151,505.11/x
  3. Step 3: Cross multiply
    435,855.61x = 653,888.81 × 151,505.11
  4. Step 4: Simplify right side
    435,855.61x = 99,067,496,086.82
  5. Step 5: Solve for x
    x = 99,067,496,086.82/435,855.61
  6. Step 6: Final answer
    x = 227,294.30

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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.