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Finding the Fourth Proportional to 365,337.64, 548,022.66 and 140,617.72

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Solution

The fourth proportional to 365,337.64, 548,022.66 and 140,617.72 is: 210,932.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,337.64 : 548,022.66 = 140,617.72 : x
  2. Step 2: Convert to fraction form
    365,337.64/548,022.66 = 140,617.72/x
  3. Step 3: Cross multiply
    365,337.64x = 548,022.66 × 140,617.72
  4. Step 4: Simplify right side
    365,337.64x = 77,061,696,957.54
  5. Step 5: Solve for x
    x = 77,061,696,957.54/365,337.64
  6. Step 6: Final answer
    x = 210,932.82

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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.