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Finding the Fourth Proportional to 243,612.20, 365,807.10 and 177,516.20

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Solution

The fourth proportional to 243,612.20, 365,807.10 and 177,516.20 is: 266,557.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,612.20 : 365,807.10 = 177,516.20 : x
  2. Step 2: Convert to fraction form
    243,612.20/365,807.10 = 177,516.20/x
  3. Step 3: Cross multiply
    243,612.20x = 365,807.10 × 177,516.20
  4. Step 4: Simplify right side
    243,612.20x = 64,936,686,325.02
  5. Step 5: Solve for x
    x = 64,936,686,325.02/243,612.20
  6. Step 6: Final answer
    x = 266,557.61

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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.