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Finding the Fourth Proportional to 2,321.76, 3,482.34 and 590.28

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Solution

The fourth proportional to 2,321.76, 3,482.34 and 590.28 is: 885.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.76 : 3,482.34 = 590.28 : x
  2. Step 2: Convert to fraction form
    2,321.76/3,482.34 = 590.28/x
  3. Step 3: Cross multiply
    2,321.76x = 3,482.34 × 590.28
  4. Step 4: Simplify right side
    2,321.76x = 2,055,555.66
  5. Step 5: Solve for x
    x = 2,055,555.66/2,321.76
  6. Step 6: Final answer
    x = 885.34

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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.