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Finding the Fourth Proportional to 558,873.76, 771,245.88 and 304,226.86

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Solution

The fourth proportional to 558,873.76, 771,245.88 and 304,226.86 is: 419,833.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,873.76 : 771,245.88 = 304,226.86 : x
  2. Step 2: Convert to fraction form
    558,873.76/771,245.88 = 304,226.86/x
  3. Step 3: Cross multiply
    558,873.76x = 771,245.88 × 304,226.86
  4. Step 4: Simplify right side
    558,873.76x = 234,633,712,360.34
  5. Step 5: Solve for x
    x = 234,633,712,360.34/558,873.76
  6. Step 6: Final answer
    x = 419,833.12

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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.