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Finding the Fourth Proportional to 341,243.80, 511,212.90 and 183,419.80

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Solution

The fourth proportional to 341,243.80, 511,212.90 and 183,419.80 is: 274,778.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,243.80 : 511,212.90 = 183,419.80 : x
  2. Step 2: Convert to fraction form
    341,243.80/511,212.90 = 183,419.80/x
  3. Step 3: Cross multiply
    341,243.80x = 511,212.90 × 183,419.80
  4. Step 4: Simplify right side
    341,243.80x = 93,766,567,875.42
  5. Step 5: Solve for x
    x = 93,766,567,875.42/341,243.80
  6. Step 6: Final answer
    x = 274,778.82

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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.