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Finding the Fourth Proportional to 953.52, 1,316.04 and 560.88

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Solution

The fourth proportional to 953.52, 1,316.04 and 560.88 is: 774.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    953.52 : 1,316.04 = 560.88 : x
  2. Step 2: Convert to fraction form
    953.52/1,316.04 = 560.88/x
  3. Step 3: Cross multiply
    953.52x = 1,316.04 × 560.88
  4. Step 4: Simplify right side
    953.52x = 738,140.52
  5. Step 5: Solve for x
    x = 738,140.52/953.52
  6. Step 6: Final answer
    x = 774.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.