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Finding the Fourth Proportional to 498,577.17, 747,865.80 and 124,600.17

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Solution

The fourth proportional to 498,577.17, 747,865.80 and 124,600.17 is: 186,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,577.17 : 747,865.80 = 124,600.17 : x
  2. Step 2: Convert to fraction form
    498,577.17/747,865.80 = 124,600.17/x
  3. Step 3: Cross multiply
    498,577.17x = 747,865.80 × 124,600.17
  4. Step 4: Simplify right side
    498,577.17x = 93,184,205,817.19
  5. Step 5: Solve for x
    x = 93,184,205,817.19/498,577.17
  6. Step 6: Final answer
    x = 186,900.27

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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.