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Finding the Fourth Proportional to 950.12, 1,425.66 and 437

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Solution

The fourth proportional to 950.12, 1,425.66 and 437 is: 655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.12 : 1,425.66 = 437 : x
  2. Step 2: Convert to fraction form
    950.12/1,425.66 = 437/x
  3. Step 3: Cross multiply
    950.12x = 1,425.66 × 437
  4. Step 4: Simplify right side
    950.12x = 623,013.42
  5. Step 5: Solve for x
    x = 623,013.42/950.12
  6. Step 6: Final answer
    x = 655.72

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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.