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Finding the Fourth Proportional to 346,992.46, 478,853.31 and 203,754.22

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Solution

The fourth proportional to 346,992.46, 478,853.31 and 203,754.22 is: 281,183.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,992.46 : 478,853.31 = 203,754.22 : x
  2. Step 2: Convert to fraction form
    346,992.46/478,853.31 = 203,754.22/x
  3. Step 3: Cross multiply
    346,992.46x = 478,853.31 × 203,754.22
  4. Step 4: Simplify right side
    346,992.46x = 97,568,382,673.47
  5. Step 5: Solve for x
    x = 97,568,382,673.47/346,992.46
  6. Step 6: Final answer
    x = 281,183.01

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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.