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Finding the Fourth Proportional to 360,535.82, 497,554.98 and 199,390.92

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Solution

The fourth proportional to 360,535.82, 497,554.98 and 199,390.92 is: 275,168.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,535.82 : 497,554.98 = 199,390.92 : x
  2. Step 2: Convert to fraction form
    360,535.82/497,554.98 = 199,390.92/x
  3. Step 3: Cross multiply
    360,535.82x = 497,554.98 × 199,390.92
  4. Step 4: Simplify right side
    360,535.82x = 99,207,945,212.78
  5. Step 5: Solve for x
    x = 99,207,945,212.78/360,535.82
  6. Step 6: Final answer
    x = 275,168.07

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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.