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Finding the Fourth Proportional to 580.49, 870.51 and 337.19

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Solution

The fourth proportional to 580.49, 870.51 and 337.19 is: 505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    580.49 : 870.51 = 337.19 : x
  2. Step 2: Convert to fraction form
    580.49/870.51 = 337.19/x
  3. Step 3: Cross multiply
    580.49x = 870.51 × 337.19
  4. Step 4: Simplify right side
    580.49x = 293,524.91
  5. Step 5: Solve for x
    x = 293,524.91/580.49
  6. Step 6: Final answer
    x = 505.65

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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.