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Finding the Fourth Proportional to 551,200.20, 826,800.30 and 362,243.40

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Solution

The fourth proportional to 551,200.20, 826,800.30 and 362,243.40 is: 543,365.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,200.20 : 826,800.30 = 362,243.40 : x
  2. Step 2: Convert to fraction form
    551,200.20/826,800.30 = 362,243.40/x
  3. Step 3: Cross multiply
    551,200.20x = 826,800.30 × 362,243.40
  4. Step 4: Simplify right side
    551,200.20x = 299,502,951,793.02
  5. Step 5: Solve for x
    x = 299,502,951,793.02/551,200.20
  6. Step 6: Final answer
    x = 543,365.10

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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.