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Finding the Fourth Proportional to 416,657.88, 574,999.65 and 235,377.45

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Solution

The fourth proportional to 416,657.88, 574,999.65 and 235,377.45 is: 324,827.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,657.88 : 574,999.65 = 235,377.45 : x
  2. Step 2: Convert to fraction form
    416,657.88/574,999.65 = 235,377.45/x
  3. Step 3: Cross multiply
    416,657.88x = 574,999.65 × 235,377.45
  4. Step 4: Simplify right side
    416,657.88x = 135,341,951,367.89
  5. Step 5: Solve for x
    x = 135,341,951,367.89/416,657.88
  6. Step 6: Final answer
    x = 324,827.53

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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.