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Finding the Fourth Proportional to 416,654.78, 575,080.71 and 295,833.96

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Solution

The fourth proportional to 416,654.78, 575,080.71 and 295,833.96 is: 408,319.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,654.78 : 575,080.71 = 295,833.96 : x
  2. Step 2: Convert to fraction form
    416,654.78/575,080.71 = 295,833.96/x
  3. Step 3: Cross multiply
    416,654.78x = 575,080.71 × 295,833.96
  4. Step 4: Simplify right side
    416,654.78x = 170,128,403,758.91
  5. Step 5: Solve for x
    x = 170,128,403,758.91/416,654.78
  6. Step 6: Final answer
    x = 408,319.82

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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.