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Finding the Fourth Proportional to 1,148.97, 1,723.26 and 327.04

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Solution

The fourth proportional to 1,148.97, 1,723.26 and 327.04 is: 490.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148.97 : 1,723.26 = 327.04 : x
  2. Step 2: Convert to fraction form
    1,148.97/1,723.26 = 327.04/x
  3. Step 3: Cross multiply
    1,148.97x = 1,723.26 × 327.04
  4. Step 4: Simplify right side
    1,148.97x = 563,574.95
  5. Step 5: Solve for x
    x = 563,574.95/1,148.97
  6. Step 6: Final answer
    x = 490.50

Related Problems

Find fourth proportional to 574.49, 861.63 and 163.52
Half scale
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Double scale
Find fourth proportional to 1,149.97, 1,724.76 and 328.04
Similar ratio
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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.