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Finding the Fourth Proportional to 610,007.64, 915,126.60 and 231,041.85

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Solution

The fourth proportional to 610,007.64, 915,126.60 and 231,041.85 is: 346,606.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,007.64 : 915,126.60 = 231,041.85 : x
  2. Step 2: Convert to fraction form
    610,007.64/915,126.60 = 231,041.85/x
  3. Step 3: Cross multiply
    610,007.64x = 915,126.60 × 231,041.85
  4. Step 4: Simplify right side
    610,007.64x = 211,432,542,648.21
  5. Step 5: Solve for x
    x = 211,432,542,648.21/610,007.64
  6. Step 6: Final answer
    x = 346,606.38

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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.