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Finding the Fourth Proportional to 338,707.54, 508,061.43 and 125,548.74

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Solution

The fourth proportional to 338,707.54, 508,061.43 and 125,548.74 is: 188,323.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,707.54 : 508,061.43 = 125,548.74 : x
  2. Step 2: Convert to fraction form
    338,707.54/508,061.43 = 125,548.74/x
  3. Step 3: Cross multiply
    338,707.54x = 508,061.43 × 125,548.74
  4. Step 4: Simplify right side
    338,707.54x = 63,786,472,379.10
  5. Step 5: Solve for x
    x = 63,786,472,379.10/338,707.54
  6. Step 6: Final answer
    x = 188,323.15

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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.