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Finding the Fourth Proportional to 1,134.13, 1,701.48 and 549.41

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Solution

The fourth proportional to 1,134.13, 1,701.48 and 549.41 is: 824.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.13 : 1,701.48 = 549.41 : x
  2. Step 2: Convert to fraction form
    1,134.13/1,701.48 = 549.41/x
  3. Step 3: Cross multiply
    1,134.13x = 1,701.48 × 549.41
  4. Step 4: Simplify right side
    1,134.13x = 934,798.87
  5. Step 5: Solve for x
    x = 934,798.87/1,134.13
  6. Step 6: Final answer
    x = 824.25

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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.