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Finding the Fourth Proportional to 532,292.52, 734,711.94 and 306,010.92

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Solution

The fourth proportional to 532,292.52, 734,711.94 and 306,010.92 is: 422,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,292.52 : 734,711.94 = 306,010.92 : x
  2. Step 2: Convert to fraction form
    532,292.52/734,711.94 = 306,010.92/x
  3. Step 3: Cross multiply
    532,292.52x = 734,711.94 × 306,010.92
  4. Step 4: Simplify right side
    532,292.52x = 224,829,876,694.39
  5. Step 5: Solve for x
    x = 224,829,876,694.39/532,292.52
  6. Step 6: Final answer
    x = 422,380.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.