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Finding the Fourth Proportional to 964,951.92, 1,331,624.88 and 535,232.88

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Solution

The fourth proportional to 964,951.92, 1,331,624.88 and 535,232.88 is: 738,616.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,951.92 : 1,331,624.88 = 535,232.88 : x
  2. Step 2: Convert to fraction form
    964,951.92/1,331,624.88 = 535,232.88/x
  3. Step 3: Cross multiply
    964,951.92x = 1,331,624.88 × 535,232.88
  4. Step 4: Simplify right side
    964,951.92x = 712,729,419,602.05
  5. Step 5: Solve for x
    x = 712,729,419,602.05/964,951.92
  6. Step 6: Final answer
    x = 738,616.51

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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.