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Finding the Fourth Proportional to 424,903.04, 637,387.20 and 109,363.04

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Solution

The fourth proportional to 424,903.04, 637,387.20 and 109,363.04 is: 164,052.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,903.04 : 637,387.20 = 109,363.04 : x
  2. Step 2: Convert to fraction form
    424,903.04/637,387.20 = 109,363.04/x
  3. Step 3: Cross multiply
    424,903.04x = 637,387.20 × 109,363.04
  4. Step 4: Simplify right side
    424,903.04x = 69,706,601,849.09
  5. Step 5: Solve for x
    x = 69,706,601,849.09/424,903.04
  6. Step 6: Final answer
    x = 164,052.96

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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.