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Finding the Fourth Proportional to 1,032.55, 1,549.13 and 545.94

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Solution

The fourth proportional to 1,032.55, 1,549.13 and 545.94 is: 819.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.55 : 1,549.13 = 545.94 : x
  2. Step 2: Convert to fraction form
    1,032.55/1,549.13 = 545.94/x
  3. Step 3: Cross multiply
    1,032.55x = 1,549.13 × 545.94
  4. Step 4: Simplify right side
    1,032.55x = 845,729.30
  5. Step 5: Solve for x
    x = 845,729.30/1,032.55
  6. Step 6: Final answer
    x = 819.07

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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.