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Finding the Fourth Proportional to 579,763.42, 869,637.03 and 200,959.90

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Solution

The fourth proportional to 579,763.42, 869,637.03 and 200,959.90 is: 301,437.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,763.42 : 869,637.03 = 200,959.90 : x
  2. Step 2: Convert to fraction form
    579,763.42/869,637.03 = 200,959.90/x
  3. Step 3: Cross multiply
    579,763.42x = 869,637.03 × 200,959.90
  4. Step 4: Simplify right side
    579,763.42x = 174,762,170,585.10
  5. Step 5: Solve for x
    x = 174,762,170,585.10/579,763.42
  6. Step 6: Final answer
    x = 301,437.04

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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.