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Finding the Fourth Proportional to 534,252.70, 800,698.65 and 218,352.70

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Solution

The fourth proportional to 534,252.70, 800,698.65 and 218,352.70 is: 327,250.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,252.70 : 800,698.65 = 218,352.70 : x
  2. Step 2: Convert to fraction form
    534,252.70/800,698.65 = 218,352.70/x
  3. Step 3: Cross multiply
    534,252.70x = 800,698.65 × 218,352.70
  4. Step 4: Simplify right side
    534,252.70x = 174,834,712,113.86
  5. Step 5: Solve for x
    x = 174,834,712,113.86/534,252.70
  6. Step 6: Final answer
    x = 327,250.97

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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.