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Finding the Fourth Proportional to 348,336, 480,806.28 and 227,495.88

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Solution

The fourth proportional to 348,336, 480,806.28 and 227,495.88 is: 314,011.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,336 : 480,806.28 = 227,495.88 : x
  2. Step 2: Convert to fraction form
    348,336/480,806.28 = 227,495.88/x
  3. Step 3: Cross multiply
    348,336x = 480,806.28 × 227,495.88
  4. Step 4: Simplify right side
    348,336x = 109,381,447,778.13
  5. Step 5: Solve for x
    x = 109,381,447,778.13/348,336
  6. Step 6: Final answer
    x = 314,011.32

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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.