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Finding the Fourth Proportional to 619,159.95, 928,581.98 and 192,612.33

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Solution

The fourth proportional to 619,159.95, 928,581.98 and 192,612.33 is: 288,869.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,159.95 : 928,581.98 = 192,612.33 : x
  2. Step 2: Convert to fraction form
    619,159.95/928,581.98 = 192,612.33/x
  3. Step 3: Cross multiply
    619,159.95x = 928,581.98 × 192,612.33
  4. Step 4: Simplify right side
    619,159.95x = 178,856,337,800.75
  5. Step 5: Solve for x
    x = 178,856,337,800.75/619,159.95
  6. Step 6: Final answer
    x = 288,869.36

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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.