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Finding the Fourth Proportional to 1,473.92, 2,210.88 and 549.44

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Solution

The fourth proportional to 1,473.92, 2,210.88 and 549.44 is: 824.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.92 : 2,210.88 = 549.44 : x
  2. Step 2: Convert to fraction form
    1,473.92/2,210.88 = 549.44/x
  3. Step 3: Cross multiply
    1,473.92x = 2,210.88 × 549.44
  4. Step 4: Simplify right side
    1,473.92x = 1,214,745.91
  5. Step 5: Solve for x
    x = 1,214,745.91/1,473.92
  6. Step 6: Final answer
    x = 824.16

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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.