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Finding the Fourth Proportional to 504,340.52, 695,719.38 and 322,857.20

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Solution

The fourth proportional to 504,340.52, 695,719.38 and 322,857.20 is: 445,369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,340.52 : 695,719.38 = 322,857.20 : x
  2. Step 2: Convert to fraction form
    504,340.52/695,719.38 = 322,857.20/x
  3. Step 3: Cross multiply
    504,340.52x = 695,719.38 × 322,857.20
  4. Step 4: Simplify right side
    504,340.52x = 224,618,011,012.54
  5. Step 5: Solve for x
    x = 224,618,011,012.54/504,340.52
  6. Step 6: Final answer
    x = 445,369.75

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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.