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Finding the Fourth Proportional to 417,176.56, 575,540.84 and 272,152.83

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Solution

The fourth proportional to 417,176.56, 575,540.84 and 272,152.83 is: 375,464.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,176.56 : 575,540.84 = 272,152.83 : x
  2. Step 2: Convert to fraction form
    417,176.56/575,540.84 = 272,152.83/x
  3. Step 3: Cross multiply
    417,176.56x = 575,540.84 × 272,152.83
  4. Step 4: Simplify right side
    417,176.56x = 156,635,067,025.81
  5. Step 5: Solve for x
    x = 156,635,067,025.81/417,176.56
  6. Step 6: Final answer
    x = 375,464.69

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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.