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Finding the Fourth Proportional to 359,885.80, 496,974.18 and 240,999.40

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Solution

The fourth proportional to 359,885.80, 496,974.18 and 240,999.40 is: 332,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,885.80 : 496,974.18 = 240,999.40 : x
  2. Step 2: Convert to fraction form
    359,885.80/496,974.18 = 240,999.40/x
  3. Step 3: Cross multiply
    359,885.80x = 496,974.18 × 240,999.40
  4. Step 4: Simplify right side
    359,885.80x = 119,770,479,195.49
  5. Step 5: Solve for x
    x = 119,770,479,195.49/359,885.80
  6. Step 6: Final answer
    x = 332,801.35

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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.