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Finding the Fourth Proportional to 416,656.88, 574,998.28 and 235,376.46

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Solution

The fourth proportional to 416,656.88, 574,998.28 and 235,376.46 is: 324,826.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,656.88 : 574,998.28 = 235,376.46 : x
  2. Step 2: Convert to fraction form
    416,656.88/574,998.28 = 235,376.46/x
  3. Step 3: Cross multiply
    416,656.88x = 574,998.28 × 235,376.46
  4. Step 4: Simplify right side
    416,656.88x = 135,341,059,652.49
  5. Step 5: Solve for x
    x = 135,341,059,652.49/416,656.88
  6. Step 6: Final answer
    x = 324,826.17

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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.