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Finding the Fourth Proportional to 605,060.10, 907,595.32 and 172,776.44

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Solution

The fourth proportional to 605,060.10, 907,595.32 and 172,776.44 is: 259,166.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,060.10 : 907,595.32 = 172,776.44 : x
  2. Step 2: Convert to fraction form
    605,060.10/907,595.32 = 172,776.44/x
  3. Step 3: Cross multiply
    605,060.10x = 907,595.32 × 172,776.44
  4. Step 4: Simplify right side
    605,060.10x = 156,811,088,350.26
  5. Step 5: Solve for x
    x = 156,811,088,350.26/605,060.10
  6. Step 6: Final answer
    x = 259,166.14

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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.