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Finding the Fourth Proportional to 950.88, 1,426.31 and 373.76

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Solution

The fourth proportional to 950.88, 1,426.31 and 373.76 is: 560.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.88 : 1,426.31 = 373.76 : x
  2. Step 2: Convert to fraction form
    950.88/1,426.31 = 373.76/x
  3. Step 3: Cross multiply
    950.88x = 1,426.31 × 373.76
  4. Step 4: Simplify right side
    950.88x = 533,097.63
  5. Step 5: Solve for x
    x = 533,097.63/950.88
  6. Step 6: Final answer
    x = 560.64

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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.