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Finding the Fourth Proportional to 610,472.10, 915,583.43 and 231,262.10

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Solution

The fourth proportional to 610,472.10, 915,583.43 and 231,262.10 is: 346,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,472.10 : 915,583.43 = 231,262.10 : x
  2. Step 2: Convert to fraction form
    610,472.10/915,583.43 = 231,262.10/x
  3. Step 3: Cross multiply
    610,472.10x = 915,583.43 × 231,262.10
  4. Step 4: Simplify right side
    610,472.10x = 211,739,742,747.24
  5. Step 5: Solve for x
    x = 211,739,742,747.24/610,472.10
  6. Step 6: Final answer
    x = 346,845.90

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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.