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Finding the Fourth Proportional to 738.80, 1,104.75 and 464.07

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Solution

The fourth proportional to 738.80, 1,104.75 and 464.07 is: 693.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    738.80 : 1,104.75 = 464.07 : x
  2. Step 2: Convert to fraction form
    738.80/1,104.75 = 464.07/x
  3. Step 3: Cross multiply
    738.80x = 1,104.75 × 464.07
  4. Step 4: Simplify right side
    738.80x = 512,681.33
  5. Step 5: Solve for x
    x = 512,681.33/738.80
  6. Step 6: Final answer
    x = 693.94

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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.