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Finding the Fourth Proportional to 1,062.66, 1,594.08 and 542.46

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Solution

The fourth proportional to 1,062.66, 1,594.08 and 542.46 is: 813.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.66 : 1,594.08 = 542.46 : x
  2. Step 2: Convert to fraction form
    1,062.66/1,594.08 = 542.46/x
  3. Step 3: Cross multiply
    1,062.66x = 1,594.08 × 542.46
  4. Step 4: Simplify right side
    1,062.66x = 864,724.64
  5. Step 5: Solve for x
    x = 864,724.64/1,062.66
  6. Step 6: Final answer
    x = 813.74

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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.