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Finding the Fourth Proportional to 555,854.40, 834,170.40 and 240,537.60

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Solution

The fourth proportional to 555,854.40, 834,170.40 and 240,537.60 is: 360,974.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,854.40 : 834,170.40 = 240,537.60 : x
  2. Step 2: Convert to fraction form
    555,854.40/834,170.40 = 240,537.60/x
  3. Step 3: Cross multiply
    555,854.40x = 834,170.40 × 240,537.60
  4. Step 4: Simplify right side
    555,854.40x = 200,649,346,007.04
  5. Step 5: Solve for x
    x = 200,649,346,007.04/555,854.40
  6. Step 6: Final answer
    x = 360,974.65

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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.