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Finding the Fourth Proportional to 497,697.01, 746,545.31 and 123,720.01

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Solution

The fourth proportional to 497,697.01, 746,545.31 and 123,720.01 is: 185,579.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,697.01 : 746,545.31 = 123,720.01 : x
  2. Step 2: Convert to fraction form
    497,697.01/746,545.31 = 123,720.01/x
  3. Step 3: Cross multiply
    497,697.01x = 746,545.31 × 123,720.01
  4. Step 4: Simplify right side
    497,697.01x = 92,362,591,197.64
  5. Step 5: Solve for x
    x = 92,362,591,197.64/497,697.01
  6. Step 6: Final answer
    x = 185,579.96

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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.