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Finding the Fourth Proportional to 484,963.08, 669,269.82 and 270,103.20

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Solution

The fourth proportional to 484,963.08, 669,269.82 and 270,103.20 is: 372,753.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,963.08 : 669,269.82 = 270,103.20 : x
  2. Step 2: Convert to fraction form
    484,963.08/669,269.82 = 270,103.20/x
  3. Step 3: Cross multiply
    484,963.08x = 669,269.82 × 270,103.20
  4. Step 4: Simplify right side
    484,963.08x = 180,771,920,045.42
  5. Step 5: Solve for x
    x = 180,771,920,045.42/484,963.08
  6. Step 6: Final answer
    x = 372,753.98

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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.