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Finding the Fourth Proportional to 572.04, 789.61 and 336.06

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Solution

The fourth proportional to 572.04, 789.61 and 336.06 is: 463.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.04 : 789.61 = 336.06 : x
  2. Step 2: Convert to fraction form
    572.04/789.61 = 336.06/x
  3. Step 3: Cross multiply
    572.04x = 789.61 × 336.06
  4. Step 4: Simplify right side
    572.04x = 265,356.34
  5. Step 5: Solve for x
    x = 265,356.34/572.04
  6. Step 6: Final answer
    x = 463.88

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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.