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Finding the Fourth Proportional to 482,685.90, 724,136.49 and 158,488.44

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Solution

The fourth proportional to 482,685.90, 724,136.49 and 158,488.44 is: 237,768.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,685.90 : 724,136.49 = 158,488.44 : x
  2. Step 2: Convert to fraction form
    482,685.90/724,136.49 = 158,488.44/x
  3. Step 3: Cross multiply
    482,685.90x = 724,136.49 × 158,488.44
  4. Step 4: Simplify right side
    482,685.90x = 114,767,259,931.66
  5. Step 5: Solve for x
    x = 114,767,259,931.66/482,685.90
  6. Step 6: Final answer
    x = 237,768.00

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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.