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Finding the Fourth Proportional to 563,520.20, 777,737.58 and 348,729.50

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Solution

The fourth proportional to 563,520.20, 777,737.58 and 348,729.50 is: 481,296.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,520.20 : 777,737.58 = 348,729.50 : x
  2. Step 2: Convert to fraction form
    563,520.20/777,737.58 = 348,729.50/x
  3. Step 3: Cross multiply
    563,520.20x = 777,737.58 × 348,729.50
  4. Step 4: Simplify right side
    563,520.20x = 271,220,037,404.61
  5. Step 5: Solve for x
    x = 271,220,037,404.61/563,520.20
  6. Step 6: Final answer
    x = 481,296.03

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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.