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Finding the Fourth Proportional to 575,184.80, 862,777.20 and 323,242.40

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Solution

The fourth proportional to 575,184.80, 862,777.20 and 323,242.40 is: 484,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,184.80 : 862,777.20 = 323,242.40 : x
  2. Step 2: Convert to fraction form
    575,184.80/862,777.20 = 323,242.40/x
  3. Step 3: Cross multiply
    575,184.80x = 862,777.20 × 323,242.40
  4. Step 4: Simplify right side
    575,184.80x = 278,886,172,793.28
  5. Step 5: Solve for x
    x = 278,886,172,793.28/575,184.80
  6. Step 6: Final answer
    x = 484,863.60

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Similar ratio
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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.