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Finding the Fourth Proportional to 722,298.24, 996,937.47 and 480,591

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Solution

The fourth proportional to 722,298.24, 996,937.47 and 480,591 is: 663,325.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,298.24 : 996,937.47 = 480,591 : x
  2. Step 2: Convert to fraction form
    722,298.24/996,937.47 = 480,591/x
  3. Step 3: Cross multiply
    722,298.24x = 996,937.47 × 480,591
  4. Step 4: Simplify right side
    722,298.24x = 479,119,175,644.77
  5. Step 5: Solve for x
    x = 479,119,175,644.77/722,298.24
  6. Step 6: Final answer
    x = 663,325.96

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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.