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Finding the Fourth Proportional to 481,502.80, 722,530.76 and 376,025.68

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Solution

The fourth proportional to 481,502.80, 722,530.76 and 376,025.68 is: 564,254.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,502.80 : 722,530.76 = 376,025.68 : x
  2. Step 2: Convert to fraction form
    481,502.80/722,530.76 = 376,025.68/x
  3. Step 3: Cross multiply
    481,502.80x = 722,530.76 × 376,025.68
  4. Step 4: Simplify right side
    481,502.80x = 271,690,120,349.92
  5. Step 5: Solve for x
    x = 271,690,120,349.92/481,502.80
  6. Step 6: Final answer
    x = 564,254.50

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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.