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Finding the Fourth Proportional to 360,463.90, 540,749.61 and 132,742.00

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Solution

The fourth proportional to 360,463.90, 540,749.61 and 132,742.00 is: 199,132.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,463.90 : 540,749.61 = 132,742.00 : x
  2. Step 2: Convert to fraction form
    360,463.90/540,749.61 = 132,742.00/x
  3. Step 3: Cross multiply
    360,463.90x = 540,749.61 × 132,742.00
  4. Step 4: Simplify right side
    360,463.90x = 71,780,186,554.08
  5. Step 5: Solve for x
    x = 71,780,186,554.08/360,463.90
  6. Step 6: Final answer
    x = 199,132.80

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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.