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Finding the Fourth Proportional to 462.42, 692.55 and 359.01

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Solution

The fourth proportional to 462.42, 692.55 and 359.01 is: 537.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.42 : 692.55 = 359.01 : x
  2. Step 2: Convert to fraction form
    462.42/692.55 = 359.01/x
  3. Step 3: Cross multiply
    462.42x = 692.55 × 359.01
  4. Step 4: Simplify right side
    462.42x = 248,632.38
  5. Step 5: Solve for x
    x = 248,632.38/462.42
  6. Step 6: Final answer
    x = 537.68

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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.