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Finding the Fourth Proportional to 584.64, 875.88 and 482.16

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Solution

The fourth proportional to 584.64, 875.88 and 482.16 is: 722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.64 : 875.88 = 482.16 : x
  2. Step 2: Convert to fraction form
    584.64/875.88 = 482.16/x
  3. Step 3: Cross multiply
    584.64x = 875.88 × 482.16
  4. Step 4: Simplify right side
    584.64x = 422,314.30
  5. Step 5: Solve for x
    x = 422,314.30/584.64
  6. Step 6: Final answer
    x = 722.35

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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.