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Finding the Fourth Proportional to 444,034.59, 612,764.17 and 257,783.34

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Solution

The fourth proportional to 444,034.59, 612,764.17 and 257,783.34 is: 355,738.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,034.59 : 612,764.17 = 257,783.34 : x
  2. Step 2: Convert to fraction form
    444,034.59/612,764.17 = 257,783.34/x
  3. Step 3: Cross multiply
    444,034.59x = 612,764.17 × 257,783.34
  4. Step 4: Simplify right side
    444,034.59x = 157,960,393,730.47
  5. Step 5: Solve for x
    x = 157,960,393,730.47/444,034.59
  6. Step 6: Final answer
    x = 355,738.94

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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.