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Finding the Fourth Proportional to 348,325.82, 480,244.66 and 225,601.40

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Solution

The fourth proportional to 348,325.82, 480,244.66 and 225,601.40 is: 311,041.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,325.82 : 480,244.66 = 225,601.40 : x
  2. Step 2: Convert to fraction form
    348,325.82/480,244.66 = 225,601.40/x
  3. Step 3: Cross multiply
    348,325.82x = 480,244.66 × 225,601.40
  4. Step 4: Simplify right side
    348,325.82x = 108,343,869,544.14
  5. Step 5: Solve for x
    x = 108,343,869,544.14/348,325.82
  6. Step 6: Final answer
    x = 311,041.74

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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.