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Finding the Fourth Proportional to 473,131.53, 709,707.38 and 169,545.51

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Solution

The fourth proportional to 473,131.53, 709,707.38 and 169,545.51 is: 254,321.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,131.53 : 709,707.38 = 169,545.51 : x
  2. Step 2: Convert to fraction form
    473,131.53/709,707.38 = 169,545.51/x
  3. Step 3: Cross multiply
    473,131.53x = 709,707.38 × 169,545.51
  4. Step 4: Simplify right side
    473,131.53x = 120,327,698,845.14
  5. Step 5: Solve for x
    x = 120,327,698,845.14/473,131.53
  6. Step 6: Final answer
    x = 254,321.88

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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.