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Finding the Fourth Proportional to 948.83, 1,423.40 and 332.37

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Solution

The fourth proportional to 948.83, 1,423.40 and 332.37 is: 498.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    948.83 : 1,423.40 = 332.37 : x
  2. Step 2: Convert to fraction form
    948.83/1,423.40 = 332.37/x
  3. Step 3: Cross multiply
    948.83x = 1,423.40 × 332.37
  4. Step 4: Simplify right side
    948.83x = 473,093.80
  5. Step 5: Solve for x
    x = 473,093.80/948.83
  6. Step 6: Final answer
    x = 498.61

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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.