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Finding the Fourth Proportional to 360,354.56, 497,246.11 and 199,187.69

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Solution

The fourth proportional to 360,354.56, 497,246.11 and 199,187.69 is: 274,855.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,354.56 : 497,246.11 = 199,187.69 : x
  2. Step 2: Convert to fraction form
    360,354.56/497,246.11 = 199,187.69/x
  3. Step 3: Cross multiply
    360,354.56x = 497,246.11 × 199,187.69
  4. Step 4: Simplify right side
    360,354.56x = 99,045,303,825.20
  5. Step 5: Solve for x
    x = 99,045,303,825.20/360,354.56
  6. Step 6: Final answer
    x = 274,855.15

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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.