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Finding the Fourth Proportional to 709,074, 1,063,620.26 and 235,759.36

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Solution

The fourth proportional to 709,074, 1,063,620.26 and 235,759.36 is: 353,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,074 : 1,063,620.26 = 235,759.36 : x
  2. Step 2: Convert to fraction form
    709,074/1,063,620.26 = 235,759.36/x
  3. Step 3: Cross multiply
    709,074x = 1,063,620.26 × 235,759.36
  4. Step 4: Simplify right side
    709,074x = 250,758,432,147.32
  5. Step 5: Solve for x
    x = 250,758,432,147.32/709,074
  6. Step 6: Final answer
    x = 353,642.12

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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.