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Finding the Fourth Proportional to 360,581.79, 497,559.18 and 199,414.89

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Solution

The fourth proportional to 360,581.79, 497,559.18 and 199,414.89 is: 275,168.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,581.79 : 497,559.18 = 199,414.89 : x
  2. Step 2: Convert to fraction form
    360,581.79/497,559.18 = 199,414.89/x
  3. Step 3: Cross multiply
    360,581.79x = 497,559.18 × 199,414.89
  4. Step 4: Simplify right side
    360,581.79x = 99,220,709,148.19
  5. Step 5: Solve for x
    x = 99,220,709,148.19/360,581.79
  6. Step 6: Final answer
    x = 275,168.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.