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Finding the Fourth Proportional to 1,060.23, 1,590.43 and 366.62

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Solution

The fourth proportional to 1,060.23, 1,590.43 and 366.62 is: 549.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.23 : 1,590.43 = 366.62 : x
  2. Step 2: Convert to fraction form
    1,060.23/1,590.43 = 366.62/x
  3. Step 3: Cross multiply
    1,060.23x = 1,590.43 × 366.62
  4. Step 4: Simplify right side
    1,060.23x = 583,074.58
  5. Step 5: Solve for x
    x = 583,074.58/1,060.23
  6. Step 6: Final answer
    x = 549.95

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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.