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Finding the Fourth Proportional to 566.32, 848.40 and 392.96

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Solution

The fourth proportional to 566.32, 848.40 and 392.96 is: 588.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.32 : 848.40 = 392.96 : x
  2. Step 2: Convert to fraction form
    566.32/848.40 = 392.96/x
  3. Step 3: Cross multiply
    566.32x = 848.40 × 392.96
  4. Step 4: Simplify right side
    566.32x = 333,387.26
  5. Step 5: Solve for x
    x = 333,387.26/566.32
  6. Step 6: Final answer
    x = 588.69

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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.