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Finding the Fourth Proportional to 566.16, 845.04 and 542.40

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Solution

The fourth proportional to 566.16, 845.04 and 542.40 is: 809.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.16 : 845.04 = 542.40 : x
  2. Step 2: Convert to fraction form
    566.16/845.04 = 542.40/x
  3. Step 3: Cross multiply
    566.16x = 845.04 × 542.40
  4. Step 4: Simplify right side
    566.16x = 458,349.70
  5. Step 5: Solve for x
    x = 458,349.70/566.16
  6. Step 6: Final answer
    x = 809.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.