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Finding the Fourth Proportional to 1,760.88, 2,641.37 and 462.36

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Solution

The fourth proportional to 1,760.88, 2,641.37 and 462.36 is: 693.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.88 : 2,641.37 = 462.36 : x
  2. Step 2: Convert to fraction form
    1,760.88/2,641.37 = 462.36/x
  3. Step 3: Cross multiply
    1,760.88x = 2,641.37 × 462.36
  4. Step 4: Simplify right side
    1,760.88x = 1,221,263.83
  5. Step 5: Solve for x
    x = 1,221,263.83/1,760.88
  6. Step 6: Final answer
    x = 693.55

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1.5x scale

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.