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Finding the Fourth Proportional to 348,151.22, 480,449.90 and 219,175.03

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Solution

The fourth proportional to 348,151.22, 480,449.90 and 219,175.03 is: 302,462.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,151.22 : 480,449.90 = 219,175.03 : x
  2. Step 2: Convert to fraction form
    348,151.22/480,449.90 = 219,175.03/x
  3. Step 3: Cross multiply
    348,151.22x = 480,449.90 × 219,175.03
  4. Step 4: Simplify right side
    348,151.22x = 105,302,621,246.00
  5. Step 5: Solve for x
    x = 105,302,621,246.00/348,151.22
  6. Step 6: Final answer
    x = 302,462.31

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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.