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Finding the Fourth Proportional to 338,083.20, 507,124.80 and 197,769.60

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Solution

The fourth proportional to 338,083.20, 507,124.80 and 197,769.60 is: 296,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,083.20 : 507,124.80 = 197,769.60 : x
  2. Step 2: Convert to fraction form
    338,083.20/507,124.80 = 197,769.60/x
  3. Step 3: Cross multiply
    338,083.20x = 507,124.80 × 197,769.60
  4. Step 4: Simplify right side
    338,083.20x = 100,293,868,846.08
  5. Step 5: Solve for x
    x = 100,293,868,846.08/338,083.20
  6. Step 6: Final answer
    x = 296,654.40

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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.