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Finding the Fourth Proportional to 465.54, 697.42 and 373.20

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Solution

The fourth proportional to 465.54, 697.42 and 373.20 is: 559.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.54 : 697.42 = 373.20 : x
  2. Step 2: Convert to fraction form
    465.54/697.42 = 373.20/x
  3. Step 3: Cross multiply
    465.54x = 697.42 × 373.20
  4. Step 4: Simplify right side
    465.54x = 260,277.14
  5. Step 5: Solve for x
    x = 260,277.14/465.54
  6. Step 6: Final answer
    x = 559.09

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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.