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Finding the Fourth Proportional to 383,545.44, 575,317.67 and 103,062.69

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Solution

The fourth proportional to 383,545.44, 575,317.67 and 103,062.69 is: 154,593.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,545.44 : 575,317.67 = 103,062.69 : x
  2. Step 2: Convert to fraction form
    383,545.44/575,317.67 = 103,062.69/x
  3. Step 3: Cross multiply
    383,545.44x = 575,317.67 × 103,062.69
  4. Step 4: Simplify right side
    383,545.44x = 59,293,786,159.42
  5. Step 5: Solve for x
    x = 59,293,786,159.42/383,545.44
  6. Step 6: Final answer
    x = 154,593.90

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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.