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Finding the Fourth Proportional to 416,781.60, 574,947.12 and 263,561.59

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Solution

The fourth proportional to 416,781.60, 574,947.12 and 263,561.59 is: 363,581.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,781.60 : 574,947.12 = 263,561.59 : x
  2. Step 2: Convert to fraction form
    416,781.60/574,947.12 = 263,561.59/x
  3. Step 3: Cross multiply
    416,781.60x = 574,947.12 × 263,561.59
  4. Step 4: Simplify right side
    416,781.60x = 151,533,977,113.12
  5. Step 5: Solve for x
    x = 151,533,977,113.12/416,781.60
  6. Step 6: Final answer
    x = 363,581.25

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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.