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Finding the Fourth Proportional to 612,251.76, 918,387.04 and 233,193.54

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Solution

The fourth proportional to 612,251.76, 918,387.04 and 233,193.54 is: 349,793.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,251.76 : 918,387.04 = 233,193.54 : x
  2. Step 2: Convert to fraction form
    612,251.76/918,387.04 = 233,193.54/x
  3. Step 3: Cross multiply
    612,251.76x = 918,387.04 × 233,193.54
  4. Step 4: Simplify right side
    612,251.76x = 214,161,924,947.72
  5. Step 5: Solve for x
    x = 214,161,924,947.72/612,251.76
  6. Step 6: Final answer
    x = 349,793.89

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1.5x scale

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.