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Finding the Fourth Proportional to 950.93, 1,425.68 and 555.06

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Solution

The fourth proportional to 950.93, 1,425.68 and 555.06 is: 832.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.93 : 1,425.68 = 555.06 : x
  2. Step 2: Convert to fraction form
    950.93/1,425.68 = 555.06/x
  3. Step 3: Cross multiply
    950.93x = 1,425.68 × 555.06
  4. Step 4: Simplify right side
    950.93x = 791,337.94
  5. Step 5: Solve for x
    x = 791,337.94/950.93
  6. Step 6: Final answer
    x = 832.17

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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.