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Finding the Fourth Proportional to 924.88, 1,276.64 and 532

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Solution

The fourth proportional to 924.88, 1,276.64 and 532 is: 734.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.88 : 1,276.64 = 532 : x
  2. Step 2: Convert to fraction form
    924.88/1,276.64 = 532/x
  3. Step 3: Cross multiply
    924.88x = 1,276.64 × 532
  4. Step 4: Simplify right side
    924.88x = 679,172.48
  5. Step 5: Solve for x
    x = 679,172.48/924.88
  6. Step 6: Final answer
    x = 734.34

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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.