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Finding the Fourth Proportional to 444,340.52, 612,551.94 and 316,794.76

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Solution

The fourth proportional to 444,340.52, 612,551.94 and 316,794.76 is: 436,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,340.52 : 612,551.94 = 316,794.76 : x
  2. Step 2: Convert to fraction form
    444,340.52/612,551.94 = 316,794.76/x
  3. Step 3: Cross multiply
    444,340.52x = 612,551.94 × 316,794.76
  4. Step 4: Simplify right side
    444,340.52x = 194,053,244,819.83
  5. Step 5: Solve for x
    x = 194,053,244,819.83/444,340.52
  6. Step 6: Final answer
    x = 436,721.92

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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.