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Finding the Fourth Proportional to 442,091.76, 662,665.50 and 252,143.16

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Solution

The fourth proportional to 442,091.76, 662,665.50 and 252,143.16 is: 377,945.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,091.76 : 662,665.50 = 252,143.16 : x
  2. Step 2: Convert to fraction form
    442,091.76/662,665.50 = 252,143.16/x
  3. Step 3: Cross multiply
    442,091.76x = 662,665.50 × 252,143.16
  4. Step 4: Simplify right side
    442,091.76x = 167,086,573,192.98
  5. Step 5: Solve for x
    x = 167,086,573,192.98/442,091.76
  6. Step 6: Final answer
    x = 377,945.46

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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.