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Finding the Fourth Proportional to 600,780.88, 901,471.56 and 280,798.48

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Solution

The fourth proportional to 600,780.88, 901,471.56 and 280,798.48 is: 421,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,780.88 : 901,471.56 = 280,798.48 : x
  2. Step 2: Convert to fraction form
    600,780.88/901,471.56 = 280,798.48/x
  3. Step 3: Cross multiply
    600,780.88x = 901,471.56 × 280,798.48
  4. Step 4: Simplify right side
    600,780.88x = 253,131,843,811.23
  5. Step 5: Solve for x
    x = 253,131,843,811.23/600,780.88
  6. Step 6: Final answer
    x = 421,338.05

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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.