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Finding the Fourth Proportional to 502,651.80, 753,977.70 and 222,715.80

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Solution

The fourth proportional to 502,651.80, 753,977.70 and 222,715.80 is: 334,073.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,651.80 : 753,977.70 = 222,715.80 : x
  2. Step 2: Convert to fraction form
    502,651.80/753,977.70 = 222,715.80/x
  3. Step 3: Cross multiply
    502,651.80x = 753,977.70 × 222,715.80
  4. Step 4: Simplify right side
    502,651.80x = 167,922,746,637.66
  5. Step 5: Solve for x
    x = 167,922,746,637.66/502,651.80
  6. Step 6: Final answer
    x = 334,073.70

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Similar ratio
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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.