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Finding the Fourth Proportional to 610,278.57, 915,292.75 and 231,068.47

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Solution

The fourth proportional to 610,278.57, 915,292.75 and 231,068.47 is: 346,555.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,278.57 : 915,292.75 = 231,068.47 : x
  2. Step 2: Convert to fraction form
    610,278.57/915,292.75 = 231,068.47/x
  3. Step 3: Cross multiply
    610,278.57x = 915,292.75 × 231,068.47
  4. Step 4: Simplify right side
    610,278.57x = 211,495,294,766.92
  5. Step 5: Solve for x
    x = 211,495,294,766.92/610,278.57
  6. Step 6: Final answer
    x = 346,555.34

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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.