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Finding the Fourth Proportional to 404,521.44, 557,923.80 and 259,340.80

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Solution

The fourth proportional to 404,521.44, 557,923.80 and 259,340.80 is: 357,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,521.44 : 557,923.80 = 259,340.80 : x
  2. Step 2: Convert to fraction form
    404,521.44/557,923.80 = 259,340.80/x
  3. Step 3: Cross multiply
    404,521.44x = 557,923.80 × 259,340.80
  4. Step 4: Simplify right side
    404,521.44x = 144,692,404,631.04
  5. Step 5: Solve for x
    x = 144,692,404,631.04/404,521.44
  6. Step 6: Final answer
    x = 357,687.85

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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.