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Finding the Fourth Proportional to 514.22, 708.90 and 435.22

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Solution

The fourth proportional to 514.22, 708.90 and 435.22 is: 600.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    514.22 : 708.90 = 435.22 : x
  2. Step 2: Convert to fraction form
    514.22/708.90 = 435.22/x
  3. Step 3: Cross multiply
    514.22x = 708.90 × 435.22
  4. Step 4: Simplify right side
    514.22x = 308,528.55
  5. Step 5: Solve for x
    x = 308,528.55/514.22
  6. Step 6: Final answer
    x = 600.00

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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.