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Finding the Fourth Proportional to 610,275.69, 915,288.41 and 231,065.60

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Solution

The fourth proportional to 610,275.69, 915,288.41 and 231,065.60 is: 346,551.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,275.69 : 915,288.41 = 231,065.60 : x
  2. Step 2: Convert to fraction form
    610,275.69/915,288.41 = 231,065.60/x
  3. Step 3: Cross multiply
    610,275.69x = 915,288.41 × 231,065.60
  4. Step 4: Simplify right side
    610,275.69x = 211,491,661,630.92
  5. Step 5: Solve for x
    x = 211,491,661,630.92/610,275.69
  6. Step 6: Final answer
    x = 346,551.02

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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.