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Finding the Fourth Proportional to 324,559.08, 486,853.65 and 99,929.58

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Solution

The fourth proportional to 324,559.08, 486,853.65 and 99,929.58 is: 149,899.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,559.08 : 486,853.65 = 99,929.58 : x
  2. Step 2: Convert to fraction form
    324,559.08/486,853.65 = 99,929.58/x
  3. Step 3: Cross multiply
    324,559.08x = 486,853.65 × 99,929.58
  4. Step 4: Simplify right side
    324,559.08x = 48,651,080,765.97
  5. Step 5: Solve for x
    x = 48,651,080,765.97/324,559.08
  6. Step 6: Final answer
    x = 149,899.00

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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.