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Finding the Fourth Proportional to 584, 875.52 and 309.92

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Solution

The fourth proportional to 584, 875.52 and 309.92 is: 464.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    584 : 875.52 = 309.92 : x
  2. Step 2: Convert to fraction form
    584/875.52 = 309.92/x
  3. Step 3: Cross multiply
    584x = 875.52 × 309.92
  4. Step 4: Simplify right side
    584x = 271,341.16
  5. Step 5: Solve for x
    x = 271,341.16/584
  6. Step 6: Final answer
    x = 464.63

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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.