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Finding the Fourth Proportional to 557,248.80, 836,003.04 and 443,825.76

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Solution

The fourth proportional to 557,248.80, 836,003.04 and 443,825.76 is: 665,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,248.80 : 836,003.04 = 443,825.76 : x
  2. Step 2: Convert to fraction form
    557,248.80/836,003.04 = 443,825.76/x
  3. Step 3: Cross multiply
    557,248.80x = 836,003.04 × 443,825.76
  4. Step 4: Simplify right side
    557,248.80x = 371,039,684,590.31
  5. Step 5: Solve for x
    x = 371,039,684,590.31/557,248.80
  6. Step 6: Final answer
    x = 665,842.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.