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Finding the Fourth Proportional to 346,950.72, 478,803.60 and 196,057.44

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Solution

The fourth proportional to 346,950.72, 478,803.60 and 196,057.44 is: 270,565.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,950.72 : 478,803.60 = 196,057.44 : x
  2. Step 2: Convert to fraction form
    346,950.72/478,803.60 = 196,057.44/x
  3. Step 3: Cross multiply
    346,950.72x = 478,803.60 × 196,057.44
  4. Step 4: Simplify right side
    346,950.72x = 93,873,008,078.78
  5. Step 5: Solve for x
    x = 93,873,008,078.78/346,950.72
  6. Step 6: Final answer
    x = 270,565.83

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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.