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Finding the Fourth Proportional to 338,558.40, 507,967.20 and 333,244.80

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Solution

The fourth proportional to 338,558.40, 507,967.20 and 333,244.80 is: 499,994.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,558.40 : 507,967.20 = 333,244.80 : x
  2. Step 2: Convert to fraction form
    338,558.40/507,967.20 = 333,244.80/x
  3. Step 3: Cross multiply
    338,558.40x = 507,967.20 × 333,244.80
  4. Step 4: Simplify right side
    338,558.40x = 169,277,427,970.56
  5. Step 5: Solve for x
    x = 169,277,427,970.56/338,558.40
  6. Step 6: Final answer
    x = 499,994.77

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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.