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Finding the Fourth Proportional to 416,928.39, 625,337.28 and 117,432.51

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Solution

The fourth proportional to 416,928.39, 625,337.28 and 117,432.51 is: 176,133.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,928.39 : 625,337.28 = 117,432.51 : x
  2. Step 2: Convert to fraction form
    416,928.39/625,337.28 = 117,432.51/x
  3. Step 3: Cross multiply
    416,928.39x = 625,337.28 × 117,432.51
  4. Step 4: Simplify right side
    416,928.39x = 73,434,926,386.97
  5. Step 5: Solve for x
    x = 73,434,926,386.97/416,928.39
  6. Step 6: Final answer
    x = 176,133.19

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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.