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Finding the Fourth Proportional to 624,594.82, 861,738.81 and 382,624.90

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Solution

The fourth proportional to 624,594.82, 861,738.81 and 382,624.90 is: 527,898.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,594.82 : 861,738.81 = 382,624.90 : x
  2. Step 2: Convert to fraction form
    624,594.82/861,738.81 = 382,624.90/x
  3. Step 3: Cross multiply
    624,594.82x = 861,738.81 × 382,624.90
  4. Step 4: Simplify right side
    624,594.82x = 329,722,726,002.37
  5. Step 5: Solve for x
    x = 329,722,726,002.37/624,594.82
  6. Step 6: Final answer
    x = 527,898.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.