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Finding the Fourth Proportional to 532,269.28, 798,170.56 and 199,612

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Solution

The fourth proportional to 532,269.28, 798,170.56 and 199,612 is: 299,330.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,269.28 : 798,170.56 = 199,612 : x
  2. Step 2: Convert to fraction form
    532,269.28/798,170.56 = 199,612/x
  3. Step 3: Cross multiply
    532,269.28x = 798,170.56 × 199,612
  4. Step 4: Simplify right side
    532,269.28x = 159,324,421,822.72
  5. Step 5: Solve for x
    x = 159,324,421,822.72/532,269.28
  6. Step 6: Final answer
    x = 299,330.49

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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.