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Finding the Fourth Proportional to 443,127.03, 664,690.58 and 353,963.04

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Solution

The fourth proportional to 443,127.03, 664,690.58 and 353,963.04 is: 530,944.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,127.03 : 664,690.58 = 353,963.04 : x
  2. Step 2: Convert to fraction form
    443,127.03/664,690.58 = 353,963.04/x
  3. Step 3: Cross multiply
    443,127.03x = 664,690.58 × 353,963.04
  4. Step 4: Simplify right side
    443,127.03x = 235,275,896,586.35
  5. Step 5: Solve for x
    x = 235,275,896,586.35/443,127.03
  6. Step 6: Final answer
    x = 530,944.58

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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.