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Finding the Fourth Proportional to 375,222.65, 517,774.37 and 222,233.76

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Solution

The fourth proportional to 375,222.65, 517,774.37 and 222,233.76 is: 306,663.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,222.65 : 517,774.37 = 222,233.76 : x
  2. Step 2: Convert to fraction form
    375,222.65/517,774.37 = 222,233.76/x
  3. Step 3: Cross multiply
    375,222.65x = 517,774.37 × 222,233.76
  4. Step 4: Simplify right side
    375,222.65x = 115,066,943,965.56
  5. Step 5: Solve for x
    x = 115,066,943,965.56/375,222.65
  6. Step 6: Final answer
    x = 306,663.11

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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.