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Finding the Fourth Proportional to 332,783.10, 499,247.55 and 133,053.30

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Solution

The fourth proportional to 332,783.10, 499,247.55 and 133,053.30 is: 199,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,783.10 : 499,247.55 = 133,053.30 : x
  2. Step 2: Convert to fraction form
    332,783.10/499,247.55 = 133,053.30/x
  3. Step 3: Cross multiply
    332,783.10x = 499,247.55 × 133,053.30
  4. Step 4: Simplify right side
    332,783.10x = 66,426,534,044.42
  5. Step 5: Solve for x
    x = 66,426,534,044.42/332,783.10
  6. Step 6: Final answer
    x = 199,609.10

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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.