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Finding the Fourth Proportional to 962,607.12, 1,328,354.76 and 532,856.88

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Solution

The fourth proportional to 962,607.12, 1,328,354.76 and 532,856.88 is: 735,318.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,607.12 : 1,328,354.76 = 532,856.88 : x
  2. Step 2: Convert to fraction form
    962,607.12/1,328,354.76 = 532,856.88/x
  3. Step 3: Cross multiply
    962,607.12x = 1,328,354.76 × 532,856.88
  4. Step 4: Simplify right side
    962,607.12x = 707,822,972,946.75
  5. Step 5: Solve for x
    x = 707,822,972,946.75/962,607.12
  6. Step 6: Final answer
    x = 735,318.66

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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.