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Finding the Fourth Proportional to 564,651.18, 842,915.15 and 483,818.73

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Solution

The fourth proportional to 564,651.18, 842,915.15 and 483,818.73 is: 722,247.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,651.18 : 842,915.15 = 483,818.73 : x
  2. Step 2: Convert to fraction form
    564,651.18/842,915.15 = 483,818.73/x
  3. Step 3: Cross multiply
    564,651.18x = 842,915.15 × 483,818.73
  4. Step 4: Simplify right side
    564,651.18x = 407,818,134,951.67
  5. Step 5: Solve for x
    x = 407,818,134,951.67/564,651.18
  6. Step 6: Final answer
    x = 722,247.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.