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Finding the Fourth Proportional to 536,462.20, 803,381.10 and 255,651.40

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Solution

The fourth proportional to 536,462.20, 803,381.10 and 255,651.40 is: 382,851.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,462.20 : 803,381.10 = 255,651.40 : x
  2. Step 2: Convert to fraction form
    536,462.20/803,381.10 = 255,651.40/x
  3. Step 3: Cross multiply
    536,462.20x = 803,381.10 × 255,651.40
  4. Step 4: Simplify right side
    536,462.20x = 205,385,502,948.54
  5. Step 5: Solve for x
    x = 205,385,502,948.54/536,462.20
  6. Step 6: Final answer
    x = 382,851.77

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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.