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Finding the Fourth Proportional to 360,495.90, 539,610.09 and 247,514.94

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Solution

The fourth proportional to 360,495.90, 539,610.09 and 247,514.94 is: 370,493.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,495.90 : 539,610.09 = 247,514.94 : x
  2. Step 2: Convert to fraction form
    360,495.90/539,610.09 = 247,514.94/x
  3. Step 3: Cross multiply
    360,495.90x = 539,610.09 × 247,514.94
  4. Step 4: Simplify right side
    360,495.90x = 133,561,559,049.75
  5. Step 5: Solve for x
    x = 133,561,559,049.75/360,495.90
  6. Step 6: Final answer
    x = 370,493.98

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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.