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Finding the Fourth Proportional to 506,679.78, 760,282.29 and 222,570.12

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Solution

The fourth proportional to 506,679.78, 760,282.29 and 222,570.12 is: 333,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,679.78 : 760,282.29 = 222,570.12 : x
  2. Step 2: Convert to fraction form
    506,679.78/760,282.29 = 222,570.12/x
  3. Step 3: Cross multiply
    506,679.78x = 760,282.29 × 222,570.12
  4. Step 4: Simplify right side
    506,679.78x = 169,216,120,519.18
  5. Step 5: Solve for x
    x = 169,216,120,519.18/506,679.78
  6. Step 6: Final answer
    x = 333,970.54

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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.