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Finding the Fourth Proportional to 532.85, 798.53 and 313.52

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Solution

The fourth proportional to 532.85, 798.53 and 313.52 is: 469.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.85 : 798.53 = 313.52 : x
  2. Step 2: Convert to fraction form
    532.85/798.53 = 313.52/x
  3. Step 3: Cross multiply
    532.85x = 798.53 × 313.52
  4. Step 4: Simplify right side
    532.85x = 250,349.57
  5. Step 5: Solve for x
    x = 250,349.57/532.85
  6. Step 6: Final answer
    x = 469.84

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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.