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Finding the Fourth Proportional to 365,113.68, 547,732.80 and 162,783.20

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Solution

The fourth proportional to 365,113.68, 547,732.80 and 162,783.20 is: 244,202.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,113.68 : 547,732.80 = 162,783.20 : x
  2. Step 2: Convert to fraction form
    365,113.68/547,732.80 = 162,783.20/x
  3. Step 3: Cross multiply
    365,113.68x = 547,732.80 × 162,783.20
  4. Step 4: Simplify right side
    365,113.68x = 89,161,697,115.04
  5. Step 5: Solve for x
    x = 89,161,697,115.04/365,113.68
  6. Step 6: Final answer
    x = 244,202.56

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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.