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Finding the Fourth Proportional to 502,297.66, 693,178.14 and 272,859.25

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Solution

The fourth proportional to 502,297.66, 693,178.14 and 272,859.25 is: 376,549.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,297.66 : 693,178.14 = 272,859.25 : x
  2. Step 2: Convert to fraction form
    502,297.66/693,178.14 = 272,859.25/x
  3. Step 3: Cross multiply
    502,297.66x = 693,178.14 × 272,859.25
  4. Step 4: Simplify right side
    502,297.66x = 189,140,066,451.95
  5. Step 5: Solve for x
    x = 189,140,066,451.95/502,297.66
  6. Step 6: Final answer
    x = 376,549.77

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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.