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Finding the Fourth Proportional to 567,778.14, 783,534.06 and 313,145.73

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Solution

The fourth proportional to 567,778.14, 783,534.06 and 313,145.73 is: 432,141.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,778.14 : 783,534.06 = 313,145.73 : x
  2. Step 2: Convert to fraction form
    567,778.14/783,534.06 = 313,145.73/x
  3. Step 3: Cross multiply
    567,778.14x = 783,534.06 × 313,145.73
  4. Step 4: Simplify right side
    567,778.14x = 245,360,345,198.56
  5. Step 5: Solve for x
    x = 245,360,345,198.56/567,778.14
  6. Step 6: Final answer
    x = 432,141.23

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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.