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Finding the Fourth Proportional to 540,793.04, 746,280.68 and 299,069.18

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Solution

The fourth proportional to 540,793.04, 746,280.68 and 299,069.18 is: 412,707.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,793.04 : 746,280.68 = 299,069.18 : x
  2. Step 2: Convert to fraction form
    540,793.04/746,280.68 = 299,069.18/x
  3. Step 3: Cross multiply
    540,793.04x = 746,280.68 × 299,069.18
  4. Step 4: Simplify right side
    540,793.04x = 223,189,551,017.44
  5. Step 5: Solve for x
    x = 223,189,551,017.44/540,793.04
  6. Step 6: Final answer
    x = 412,707.88

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.