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Finding the Fourth Proportional to 322,053.05, 483,079.60 and 100,437.05

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Solution

The fourth proportional to 322,053.05, 483,079.60 and 100,437.05 is: 150,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,053.05 : 483,079.60 = 100,437.05 : x
  2. Step 2: Convert to fraction form
    322,053.05/483,079.60 = 100,437.05/x
  3. Step 3: Cross multiply
    322,053.05x = 483,079.60 × 100,437.05
  4. Step 4: Simplify right side
    322,053.05x = 48,519,091,272.43
  5. Step 5: Solve for x
    x = 48,519,091,272.43/322,053.05
  6. Step 6: Final answer
    x = 150,655.59

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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.