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Finding the Fourth Proportional to 433,952.73, 649,807.52 and 299,431.71

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Solution

The fourth proportional to 433,952.73, 649,807.52 and 299,431.71 is: 448,373.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,952.73 : 649,807.52 = 299,431.71 : x
  2. Step 2: Convert to fraction form
    433,952.73/649,807.52 = 299,431.71/x
  3. Step 3: Cross multiply
    433,952.73x = 649,807.52 × 299,431.71
  4. Step 4: Simplify right side
    433,952.73x = 194,572,975,387.30
  5. Step 5: Solve for x
    x = 194,572,975,387.30/433,952.73
  6. Step 6: Final answer
    x = 448,373.66

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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.