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Finding the Fourth Proportional to 536,445.70, 803,356.35 and 255,634.90

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Solution

The fourth proportional to 536,445.70, 803,356.35 and 255,634.90 is: 382,827.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,445.70 : 803,356.35 = 255,634.90 : x
  2. Step 2: Convert to fraction form
    536,445.70/803,356.35 = 255,634.90/x
  3. Step 3: Cross multiply
    536,445.70x = 803,356.35 × 255,634.90
  4. Step 4: Simplify right side
    536,445.70x = 205,365,920,196.62
  5. Step 5: Solve for x
    x = 205,365,920,196.62/536,445.70
  6. Step 6: Final answer
    x = 382,827.04

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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.