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Finding the Fourth Proportional to 610,409.52, 915,774.66 and 250,691.76

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Solution

The fourth proportional to 610,409.52, 915,774.66 and 250,691.76 is: 376,103.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,409.52 : 915,774.66 = 250,691.76 : x
  2. Step 2: Convert to fraction form
    610,409.52/915,774.66 = 250,691.76/x
  3. Step 3: Cross multiply
    610,409.52x = 915,774.66 × 250,691.76
  4. Step 4: Simplify right side
    610,409.52x = 229,577,161,278.80
  5. Step 5: Solve for x
    x = 229,577,161,278.80/610,409.52
  6. Step 6: Final answer
    x = 376,103.51

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1.5x scale

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.