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Finding the Fourth Proportional to 416,659.66, 575,025.72 and 235,404.88

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Solution

The fourth proportional to 416,659.66, 575,025.72 and 235,404.88 is: 324,878.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,659.66 : 575,025.72 = 235,404.88 : x
  2. Step 2: Convert to fraction form
    416,659.66/575,025.72 = 235,404.88/x
  3. Step 3: Cross multiply
    416,659.66x = 575,025.72 × 235,404.88
  4. Step 4: Simplify right side
    416,659.66x = 135,363,860,613.51
  5. Step 5: Solve for x
    x = 135,363,860,613.51/416,659.66
  6. Step 6: Final answer
    x = 324,878.73

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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.