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Finding the Fourth Proportional to 338,049.60, 507,074.40 and 334,939.20

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Solution

The fourth proportional to 338,049.60, 507,074.40 and 334,939.20 is: 502,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,049.60 : 507,074.40 = 334,939.20 : x
  2. Step 2: Convert to fraction form
    338,049.60/507,074.40 = 334,939.20/x
  3. Step 3: Cross multiply
    338,049.60x = 507,074.40 × 334,939.20
  4. Step 4: Simplify right side
    338,049.60x = 169,839,093,876.48
  5. Step 5: Solve for x
    x = 169,839,093,876.48/338,049.60
  6. Step 6: Final answer
    x = 502,408.80

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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.