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Finding the Fourth Proportional to 434.63, 651.95 and 110.00

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Solution

The fourth proportional to 434.63, 651.95 and 110.00 is: 165.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.63 : 651.95 = 110.00 : x
  2. Step 2: Convert to fraction form
    434.63/651.95 = 110.00/x
  3. Step 3: Cross multiply
    434.63x = 651.95 × 110.00
  4. Step 4: Simplify right side
    434.63x = 71,713.55
  5. Step 5: Solve for x
    x = 71,713.55/434.63
  6. Step 6: Final answer
    x = 165.00

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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.