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Finding the Fourth Proportional to 483,006.50, 724,512.24 and 283,186.76

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Solution

The fourth proportional to 483,006.50, 724,512.24 and 283,186.76 is: 424,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,006.50 : 724,512.24 = 283,186.76 : x
  2. Step 2: Convert to fraction form
    483,006.50/724,512.24 = 283,186.76/x
  3. Step 3: Cross multiply
    483,006.50x = 724,512.24 × 283,186.76
  4. Step 4: Simplify right side
    483,006.50x = 205,172,270,203.38
  5. Step 5: Solve for x
    x = 205,172,270,203.38/483,006.50
  6. Step 6: Final answer
    x = 424,781.60

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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.