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Finding the Fourth Proportional to 560,635.68, 840,924.13 and 161,260.77

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Solution

The fourth proportional to 560,635.68, 840,924.13 and 161,260.77 is: 241,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,635.68 : 840,924.13 = 161,260.77 : x
  2. Step 2: Convert to fraction form
    560,635.68/840,924.13 = 161,260.77/x
  3. Step 3: Cross multiply
    560,635.68x = 840,924.13 × 161,260.77
  4. Step 4: Simplify right side
    560,635.68x = 135,608,075,768.06
  5. Step 5: Solve for x
    x = 135,608,075,768.06/560,635.68
  6. Step 6: Final answer
    x = 241,882.71

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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.