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Finding the Fourth Proportional to 717.56, 1,075.52 and 332

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Solution

The fourth proportional to 717.56, 1,075.52 and 332 is: 497.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    717.56 : 1,075.52 = 332 : x
  2. Step 2: Convert to fraction form
    717.56/1,075.52 = 332/x
  3. Step 3: Cross multiply
    717.56x = 1,075.52 × 332
  4. Step 4: Simplify right side
    717.56x = 357,072.64
  5. Step 5: Solve for x
    x = 357,072.64/717.56
  6. Step 6: Final answer
    x = 497.62

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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.