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Finding the Fourth Proportional to 581.84, 872.52 and 293.12

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Solution

The fourth proportional to 581.84, 872.52 and 293.12 is: 439.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.84 : 872.52 = 293.12 : x
  2. Step 2: Convert to fraction form
    581.84/872.52 = 293.12/x
  3. Step 3: Cross multiply
    581.84x = 872.52 × 293.12
  4. Step 4: Simplify right side
    581.84x = 255,753.06
  5. Step 5: Solve for x
    x = 255,753.06/581.84
  6. Step 6: Final answer
    x = 439.56

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Double scale
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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.