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Finding the Fourth Proportional to 444,042.50, 612,793.23 and 242,838.50

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Solution

The fourth proportional to 444,042.50, 612,793.23 and 242,838.50 is: 335,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,042.50 : 612,793.23 = 242,838.50 : x
  2. Step 2: Convert to fraction form
    444,042.50/612,793.23 = 242,838.50/x
  3. Step 3: Cross multiply
    444,042.50x = 612,793.23 × 242,838.50
  4. Step 4: Simplify right side
    444,042.50x = 148,809,788,783.36
  5. Step 5: Solve for x
    x = 148,809,788,783.36/444,042.50
  6. Step 6: Final answer
    x = 335,125.10

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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.