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Finding the Fourth Proportional to 502.07, 692.75 and 336.06

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Solution

The fourth proportional to 502.07, 692.75 and 336.06 is: 463.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.07 : 692.75 = 336.06 : x
  2. Step 2: Convert to fraction form
    502.07/692.75 = 336.06/x
  3. Step 3: Cross multiply
    502.07x = 692.75 × 336.06
  4. Step 4: Simplify right side
    502.07x = 232,803.88
  5. Step 5: Solve for x
    x = 232,803.88/502.07
  6. Step 6: Final answer
    x = 463.69

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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.