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Finding the Fourth Proportional to 949.04, 1,424.14 and 364.08

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Solution

The fourth proportional to 949.04, 1,424.14 and 364.08 is: 546.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    949.04 : 1,424.14 = 364.08 : x
  2. Step 2: Convert to fraction form
    949.04/1,424.14 = 364.08/x
  3. Step 3: Cross multiply
    949.04x = 1,424.14 × 364.08
  4. Step 4: Simplify right side
    949.04x = 518,500.89
  5. Step 5: Solve for x
    x = 518,500.89/949.04
  6. Step 6: Final answer
    x = 546.34

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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.