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Finding the Fourth Proportional to 502,191.21, 693,028.87 and 272,752.98

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Solution

The fourth proportional to 502,191.21, 693,028.87 and 272,752.98 is: 376,401.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,191.21 : 693,028.87 = 272,752.98 : x
  2. Step 2: Convert to fraction form
    502,191.21/693,028.87 = 272,752.98/x
  3. Step 3: Cross multiply
    502,191.21x = 693,028.87 × 272,752.98
  4. Step 4: Simplify right side
    502,191.21x = 189,025,686,053.39
  5. Step 5: Solve for x
    x = 189,025,686,053.39/502,191.21
  6. Step 6: Final answer
    x = 376,401.82

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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.