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Finding the Fourth Proportional to 338,708.04, 508,062.18 and 125,549.24

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Solution

The fourth proportional to 338,708.04, 508,062.18 and 125,549.24 is: 188,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,708.04 : 508,062.18 = 125,549.24 : x
  2. Step 2: Convert to fraction form
    338,708.04/508,062.18 = 125,549.24/x
  3. Step 3: Cross multiply
    338,708.04x = 508,062.18 × 125,549.24
  4. Step 4: Simplify right side
    338,708.04x = 63,786,820,571.74
  5. Step 5: Solve for x
    x = 63,786,820,571.74/338,708.04
  6. Step 6: Final answer
    x = 188,323.90

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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.