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Finding the Fourth Proportional to 508,744.75, 763,131.71 and 134,767.75

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Solution

The fourth proportional to 508,744.75, 763,131.71 and 134,767.75 is: 202,155.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,744.75 : 763,131.71 = 134,767.75 : x
  2. Step 2: Convert to fraction form
    508,744.75/763,131.71 = 134,767.75/x
  3. Step 3: Cross multiply
    508,744.75x = 763,131.71 × 134,767.75
  4. Step 4: Simplify right side
    508,744.75x = 102,845,543,510.35
  5. Step 5: Solve for x
    x = 102,845,543,510.35/508,744.75
  6. Step 6: Final answer
    x = 202,155.49

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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.