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Finding the Fourth Proportional to 555,191.20, 832,276.52 and 200,118.32

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Solution

The fourth proportional to 555,191.20, 832,276.52 and 200,118.32 is: 299,993.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,191.20 : 832,276.52 = 200,118.32 : x
  2. Step 2: Convert to fraction form
    555,191.20/832,276.52 = 200,118.32/x
  3. Step 3: Cross multiply
    555,191.20x = 832,276.52 × 200,118.32
  4. Step 4: Simplify right side
    555,191.20x = 166,553,778,957.85
  5. Step 5: Solve for x
    x = 166,553,778,957.85/555,191.20
  6. Step 6: Final answer
    x = 299,993.55

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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.