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Finding the Fourth Proportional to 555,113.20, 832,159.48 and 200,040.40

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Solution

The fourth proportional to 555,113.20, 832,159.48 and 200,040.40 is: 299,876.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,113.20 : 832,159.48 = 200,040.40 : x
  2. Step 2: Convert to fraction form
    555,113.20/832,159.48 = 200,040.40/x
  3. Step 3: Cross multiply
    555,113.20x = 832,159.48 × 200,040.40
  4. Step 4: Simplify right side
    555,113.20x = 166,465,515,242.99
  5. Step 5: Solve for x
    x = 166,465,515,242.99/555,113.20
  6. Step 6: Final answer
    x = 299,876.70

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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.