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Finding the Fourth Proportional to 240,243.84, 331,490.88 and 150,779.52

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Solution

The fourth proportional to 240,243.84, 331,490.88 and 150,779.52 is: 208,047.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,243.84 : 331,490.88 = 150,779.52 : x
  2. Step 2: Convert to fraction form
    240,243.84/331,490.88 = 150,779.52/x
  3. Step 3: Cross multiply
    240,243.84x = 331,490.88 × 150,779.52
  4. Step 4: Simplify right side
    240,243.84x = 49,982,035,770.78
  5. Step 5: Solve for x
    x = 49,982,035,770.78/240,243.84
  6. Step 6: Final answer
    x = 208,047.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.