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Finding the Fourth Proportional to 404,573.96, 557,996.48 and 259,393.62

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Solution

The fourth proportional to 404,573.96, 557,996.48 and 259,393.62 is: 357,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,573.96 : 557,996.48 = 259,393.62 : x
  2. Step 2: Convert to fraction form
    404,573.96/557,996.48 = 259,393.62/x
  3. Step 3: Cross multiply
    404,573.96x = 557,996.48 × 259,393.62
  4. Step 4: Simplify right side
    404,573.96x = 144,740,726,894.46
  5. Step 5: Solve for x
    x = 144,740,726,894.46/404,573.96
  6. Step 6: Final answer
    x = 357,760.86

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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.