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Finding the Fourth Proportional to 577,528.91, 866,352.77 and 218,002.58

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Solution

The fourth proportional to 577,528.91, 866,352.77 and 218,002.58 is: 327,026.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,528.91 : 866,352.77 = 218,002.58 : x
  2. Step 2: Convert to fraction form
    577,528.91/866,352.77 = 218,002.58/x
  3. Step 3: Cross multiply
    577,528.91x = 866,352.77 × 218,002.58
  4. Step 4: Simplify right side
    577,528.91x = 188,867,135,263.39
  5. Step 5: Solve for x
    x = 188,867,135,263.39/577,528.91
  6. Step 6: Final answer
    x = 327,026.29

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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.