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Finding the Fourth Proportional to 460.13, 690.02 and 151.93

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Solution

The fourth proportional to 460.13, 690.02 and 151.93 is: 227.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.13 : 690.02 = 151.93 : x
  2. Step 2: Convert to fraction form
    460.13/690.02 = 151.93/x
  3. Step 3: Cross multiply
    460.13x = 690.02 × 151.93
  4. Step 4: Simplify right side
    460.13x = 104,834.74
  5. Step 5: Solve for x
    x = 104,834.74/460.13
  6. Step 6: Final answer
    x = 227.84

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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.