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Finding the Fourth Proportional to 416,679.32, 625,019.16 and 117,191.72

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Solution

The fourth proportional to 416,679.32, 625,019.16 and 117,191.72 is: 175,787.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,679.32 : 625,019.16 = 117,191.72 : x
  2. Step 2: Convert to fraction form
    416,679.32/625,019.16 = 117,191.72/x
  3. Step 3: Cross multiply
    416,679.32x = 625,019.16 × 117,191.72
  4. Step 4: Simplify right side
    416,679.32x = 73,247,070,393.36
  5. Step 5: Solve for x
    x = 73,247,070,393.36/416,679.32
  6. Step 6: Final answer
    x = 175,787.63

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1.5x scale

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.