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Finding the Fourth Proportional to 832,491.38, 1,246,725 and 476,425.94

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Solution

The fourth proportional to 832,491.38, 1,246,725 and 476,425.94 is: 713,487.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,491.38 : 1,246,725 = 476,425.94 : x
  2. Step 2: Convert to fraction form
    832,491.38/1,246,725 = 476,425.94/x
  3. Step 3: Cross multiply
    832,491.38x = 1,246,725 × 476,425.94
  4. Step 4: Simplify right side
    832,491.38x = 593,972,130,046.50
  5. Step 5: Solve for x
    x = 593,972,130,046.50/832,491.38
  6. Step 6: Final answer
    x = 713,487.42

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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.