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Finding the Fourth Proportional to 416,870.22, 575,059.04 and 253,576.65

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Solution

The fourth proportional to 416,870.22, 575,059.04 and 253,576.65 is: 349,800.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,870.22 : 575,059.04 = 253,576.65 : x
  2. Step 2: Convert to fraction form
    416,870.22/575,059.04 = 253,576.65/x
  3. Step 3: Cross multiply
    416,870.22x = 575,059.04 × 253,576.65
  4. Step 4: Simplify right side
    416,870.22x = 145,821,546,563.93
  5. Step 5: Solve for x
    x = 145,821,546,563.93/416,870.22
  6. Step 6: Final answer
    x = 349,800.82

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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.