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Finding the Fourth Proportional to 334.03, 460.54 and 313.98

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Solution

The fourth proportional to 334.03, 460.54 and 313.98 is: 432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.03 : 460.54 = 313.98 : x
  2. Step 2: Convert to fraction form
    334.03/460.54 = 313.98/x
  3. Step 3: Cross multiply
    334.03x = 460.54 × 313.98
  4. Step 4: Simplify right side
    334.03x = 144,600.35
  5. Step 5: Solve for x
    x = 144,600.35/334.03
  6. Step 6: Final answer
    x = 432.90

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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.