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Finding the Fourth Proportional to 364.60, 503.46 and 291.24

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Solution

The fourth proportional to 364.60, 503.46 and 291.24 is: 402.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.60 : 503.46 = 291.24 : x
  2. Step 2: Convert to fraction form
    364.60/503.46 = 291.24/x
  3. Step 3: Cross multiply
    364.60x = 503.46 × 291.24
  4. Step 4: Simplify right side
    364.60x = 146,627.69
  5. Step 5: Solve for x
    x = 146,627.69/364.60
  6. Step 6: Final answer
    x = 402.16

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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.