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Finding the Fourth Proportional to 502,363.85, 693,259.22 and 272,919.29

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Solution

The fourth proportional to 502,363.85, 693,259.22 and 272,919.29 is: 376,627.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,363.85 : 693,259.22 = 272,919.29 : x
  2. Step 2: Convert to fraction form
    502,363.85/693,259.22 = 272,919.29/x
  3. Step 3: Cross multiply
    502,363.85x = 693,259.22 × 272,919.29
  4. Step 4: Simplify right side
    502,363.85x = 189,203,811,324.36
  5. Step 5: Solve for x
    x = 189,203,811,324.36/502,363.85
  6. Step 6: Final answer
    x = 376,627.05

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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.