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Finding the Fourth Proportional to 324,562.60, 486,843.90 and 191,506.60

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Solution

The fourth proportional to 324,562.60, 486,843.90 and 191,506.60 is: 287,259.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,562.60 : 486,843.90 = 191,506.60 : x
  2. Step 2: Convert to fraction form
    324,562.60/486,843.90 = 191,506.60/x
  3. Step 3: Cross multiply
    324,562.60x = 486,843.90 × 191,506.60
  4. Step 4: Simplify right side
    324,562.60x = 93,233,820,019.74
  5. Step 5: Solve for x
    x = 93,233,820,019.74/324,562.60
  6. Step 6: Final answer
    x = 287,259.90

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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.