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Finding the Fourth Proportional to 444,339.52, 612,550.56 and 316,793.76

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Solution

The fourth proportional to 444,339.52, 612,550.56 and 316,793.76 is: 436,720.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,339.52 : 612,550.56 = 316,793.76 : x
  2. Step 2: Convert to fraction form
    444,339.52/612,550.56 = 316,793.76/x
  3. Step 3: Cross multiply
    444,339.52x = 612,550.56 × 316,793.76
  4. Step 4: Simplify right side
    444,339.52x = 194,052,195,092.51
  5. Step 5: Solve for x
    x = 194,052,195,092.51/444,339.52
  6. Step 6: Final answer
    x = 436,720.54

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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.