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Finding the Fourth Proportional to 629,439.94, 944,393.19 and 292,661.38

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Solution

The fourth proportional to 629,439.94, 944,393.19 and 292,661.38 is: 439,100.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,439.94 : 944,393.19 = 292,661.38 : x
  2. Step 2: Convert to fraction form
    629,439.94/944,393.19 = 292,661.38/x
  3. Step 3: Cross multiply
    629,439.94x = 944,393.19 × 292,661.38
  4. Step 4: Simplify right side
    629,439.94x = 276,387,414,248.00
  5. Step 5: Solve for x
    x = 276,387,414,248.00/629,439.94
  6. Step 6: Final answer
    x = 439,100.53

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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.