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Finding the Fourth Proportional to 247,554.25, 372,674.88 and 221,835.13

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Solution

The fourth proportional to 247,554.25, 372,674.88 and 221,835.13 is: 333,956.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,554.25 : 372,674.88 = 221,835.13 : x
  2. Step 2: Convert to fraction form
    247,554.25/372,674.88 = 221,835.13/x
  3. Step 3: Cross multiply
    247,554.25x = 372,674.88 × 221,835.13
  4. Step 4: Simplify right side
    247,554.25x = 82,672,380,452.53
  5. Step 5: Solve for x
    x = 82,672,380,452.53/247,554.25
  6. Step 6: Final answer
    x = 333,956.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.