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Finding the Fourth Proportional to 954.67, 1,432.14 and 305.26

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Solution

The fourth proportional to 954.67, 1,432.14 and 305.26 is: 457.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.67 : 1,432.14 = 305.26 : x
  2. Step 2: Convert to fraction form
    954.67/1,432.14 = 305.26/x
  3. Step 3: Cross multiply
    954.67x = 1,432.14 × 305.26
  4. Step 4: Simplify right side
    954.67x = 437,175.06
  5. Step 5: Solve for x
    x = 437,175.06/954.67
  6. Step 6: Final answer
    x = 457.93

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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.