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Finding the Fourth Proportional to 358,754.53, 538,132.48 and 336,832.59

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Solution

The fourth proportional to 358,754.53, 538,132.48 and 336,832.59 is: 505,249.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,754.53 : 538,132.48 = 336,832.59 : x
  2. Step 2: Convert to fraction form
    358,754.53/538,132.48 = 336,832.59/x
  3. Step 3: Cross multiply
    358,754.53x = 538,132.48 × 336,832.59
  4. Step 4: Simplify right side
    358,754.53x = 181,260,557,001.52
  5. Step 5: Solve for x
    x = 181,260,557,001.52/358,754.53
  6. Step 6: Final answer
    x = 505,249.53

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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.