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Finding the Fourth Proportional to 552,206.80, 827,143.80 and 458,894.80

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Solution

The fourth proportional to 552,206.80, 827,143.80 and 458,894.80 is: 687,372.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,206.80 : 827,143.80 = 458,894.80 : x
  2. Step 2: Convert to fraction form
    552,206.80/827,143.80 = 458,894.80/x
  3. Step 3: Cross multiply
    552,206.80x = 827,143.80 × 458,894.80
  4. Step 4: Simplify right side
    552,206.80x = 379,571,988,672.24
  5. Step 5: Solve for x
    x = 379,571,988,672.24/552,206.80
  6. Step 6: Final answer
    x = 687,372.90

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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.