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Finding the Fourth Proportional to 384,902.88, 577,206.72 and 132,136.26

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Solution

The fourth proportional to 384,902.88, 577,206.72 and 132,136.26 is: 198,153.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,902.88 : 577,206.72 = 132,136.26 : x
  2. Step 2: Convert to fraction form
    384,902.88/577,206.72 = 132,136.26/x
  3. Step 3: Cross multiply
    384,902.88x = 577,206.72 × 132,136.26
  4. Step 4: Simplify right side
    384,902.88x = 76,269,937,227.67
  5. Step 5: Solve for x
    x = 76,269,937,227.67/384,902.88
  6. Step 6: Final answer
    x = 198,153.72

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1.5x scale

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.