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Finding the Fourth Proportional to 949.17, 1,423.98 and 332.93

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Solution

The fourth proportional to 949.17, 1,423.98 and 332.93 is: 499.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    949.17 : 1,423.98 = 332.93 : x
  2. Step 2: Convert to fraction form
    949.17/1,423.98 = 332.93/x
  3. Step 3: Cross multiply
    949.17x = 1,423.98 × 332.93
  4. Step 4: Simplify right side
    949.17x = 474,089.22
  5. Step 5: Solve for x
    x = 474,089.22/949.17
  6. Step 6: Final answer
    x = 499.48

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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.