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Finding the Fourth Proportional to 909.53, 1,363.48 and 332

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Solution

The fourth proportional to 909.53, 1,363.48 and 332 is: 497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    909.53 : 1,363.48 = 332 : x
  2. Step 2: Convert to fraction form
    909.53/1,363.48 = 332/x
  3. Step 3: Cross multiply
    909.53x = 1,363.48 × 332
  4. Step 4: Simplify right side
    909.53x = 452,675.36
  5. Step 5: Solve for x
    x = 452,675.36/909.53
  6. Step 6: Final answer
    x = 497.70

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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.