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Finding the Fourth Proportional to 416,718.36, 575,037.18 and 235,446

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Solution

The fourth proportional to 416,718.36, 575,037.18 and 235,446 is: 324,896.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,718.36 : 575,037.18 = 235,446 : x
  2. Step 2: Convert to fraction form
    416,718.36/575,037.18 = 235,446/x
  3. Step 3: Cross multiply
    416,718.36x = 575,037.18 × 235,446
  4. Step 4: Simplify right side
    416,718.36x = 135,390,203,882.28
  5. Step 5: Solve for x
    x = 135,390,203,882.28/416,718.36
  6. Step 6: Final answer
    x = 324,896.18

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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.