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Finding the Fourth Proportional to 475,660.61, 713,381.72 and 283,589.39

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Solution

The fourth proportional to 475,660.61, 713,381.72 and 283,589.39 is: 425,318.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,660.61 : 713,381.72 = 283,589.39 : x
  2. Step 2: Convert to fraction form
    475,660.61/713,381.72 = 283,589.39/x
  3. Step 3: Cross multiply
    475,660.61x = 713,381.72 × 283,589.39
  4. Step 4: Simplify right side
    475,660.61x = 202,307,481,827.10
  5. Step 5: Solve for x
    x = 202,307,481,827.10/475,660.61
  6. Step 6: Final answer
    x = 425,318.97

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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.