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Finding the Fourth Proportional to 498,307.25, 747,579.95 and 161,348.30

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Solution

The fourth proportional to 498,307.25, 747,579.95 and 161,348.30 is: 242,061.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,307.25 : 747,579.95 = 161,348.30 : x
  2. Step 2: Convert to fraction form
    498,307.25/747,579.95 = 161,348.30/x
  3. Step 3: Cross multiply
    498,307.25x = 747,579.95 × 161,348.30
  4. Step 4: Simplify right side
    498,307.25x = 120,620,754,046.59
  5. Step 5: Solve for x
    x = 120,620,754,046.59/498,307.25
  6. Step 6: Final answer
    x = 242,061.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.