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Finding the Fourth Proportional to 496,697.83, 745,061.35 and 136,874.14

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Solution

The fourth proportional to 496,697.83, 745,061.35 and 136,874.14 is: 205,315.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,697.83 : 745,061.35 = 136,874.14 : x
  2. Step 2: Convert to fraction form
    496,697.83/745,061.35 = 136,874.14/x
  3. Step 3: Cross multiply
    496,697.83x = 745,061.35 × 136,874.14
  4. Step 4: Simplify right side
    496,697.83x = 101,979,628,201.16
  5. Step 5: Solve for x
    x = 101,979,628,201.16/496,697.83
  6. Step 6: Final answer
    x = 205,315.23

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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.