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Finding the Fourth Proportional to 360,527.52, 540,855.92 and 123,808.80

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Solution

The fourth proportional to 360,527.52, 540,855.92 and 123,808.80 is: 185,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,527.52 : 540,855.92 = 123,808.80 : x
  2. Step 2: Convert to fraction form
    360,527.52/540,855.92 = 123,808.80/x
  3. Step 3: Cross multiply
    360,527.52x = 540,855.92 × 123,808.80
  4. Step 4: Simplify right side
    360,527.52x = 66,962,722,428.10
  5. Step 5: Solve for x
    x = 66,962,722,428.10/360,527.52
  6. Step 6: Final answer
    x = 185,735.40

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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.