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Finding the Fourth Proportional to 259,551.48, 388,822.26 and 170,534.52

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Solution

The fourth proportional to 259,551.48, 388,822.26 and 170,534.52 is: 255,470.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,551.48 : 388,822.26 = 170,534.52 : x
  2. Step 2: Convert to fraction form
    259,551.48/388,822.26 = 170,534.52/x
  3. Step 3: Cross multiply
    259,551.48x = 388,822.26 × 170,534.52
  4. Step 4: Simplify right side
    259,551.48x = 66,307,617,474.42
  5. Step 5: Solve for x
    x = 66,307,617,474.42/259,551.48
  6. Step 6: Final answer
    x = 255,470.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.