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Finding the Fourth Proportional to 536,159.20, 803,013.54 and 255,873.28

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Solution

The fourth proportional to 536,159.20, 803,013.54 and 255,873.28 is: 383,225.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,159.20 : 803,013.54 = 255,873.28 : x
  2. Step 2: Convert to fraction form
    536,159.20/803,013.54 = 255,873.28/x
  3. Step 3: Cross multiply
    536,159.20x = 803,013.54 × 255,873.28
  4. Step 4: Simplify right side
    536,159.20x = 205,469,708,364.21
  5. Step 5: Solve for x
    x = 205,469,708,364.21/536,159.20
  6. Step 6: Final answer
    x = 383,225.18

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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.