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Finding the Fourth Proportional to 924.58, 1,276.04 and 531.59

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Solution

The fourth proportional to 924.58, 1,276.04 and 531.59 is: 733.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.58 : 1,276.04 = 531.59 : x
  2. Step 2: Convert to fraction form
    924.58/1,276.04 = 531.59/x
  3. Step 3: Cross multiply
    924.58x = 1,276.04 × 531.59
  4. Step 4: Simplify right side
    924.58x = 678,330.10
  5. Step 5: Solve for x
    x = 678,330.10/924.58
  6. Step 6: Final answer
    x = 733.66

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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.