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Finding the Fourth Proportional to 292.01, 401.96 and 253.13

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Solution

The fourth proportional to 292.01, 401.96 and 253.13 is: 348.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.01 : 401.96 = 253.13 : x
  2. Step 2: Convert to fraction form
    292.01/401.96 = 253.13/x
  3. Step 3: Cross multiply
    292.01x = 401.96 × 253.13
  4. Step 4: Simplify right side
    292.01x = 101,746.76
  5. Step 5: Solve for x
    x = 101,746.76/292.01
  6. Step 6: Final answer
    x = 348.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.