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Finding the Fourth Proportional to 416,157.88, 574,314.13 and 234,876.07

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Solution

The fourth proportional to 416,157.88, 574,314.13 and 234,876.07 is: 324,138.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,157.88 : 574,314.13 = 234,876.07 : x
  2. Step 2: Convert to fraction form
    416,157.88/574,314.13 = 234,876.07/x
  3. Step 3: Cross multiply
    416,157.88x = 574,314.13 × 234,876.07
  4. Step 4: Simplify right side
    416,157.88x = 134,892,645,799.87
  5. Step 5: Solve for x
    x = 134,892,645,799.87/416,157.88
  6. Step 6: Final answer
    x = 324,138.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.