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Finding the Fourth Proportional to 348,354.08, 480,773.10 and 205,127.45

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Solution

The fourth proportional to 348,354.08, 480,773.10 and 205,127.45 is: 283,102.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,354.08 : 480,773.10 = 205,127.45 : x
  2. Step 2: Convert to fraction form
    348,354.08/480,773.10 = 205,127.45/x
  3. Step 3: Cross multiply
    348,354.08x = 480,773.10 × 205,127.45
  4. Step 4: Simplify right side
    348,354.08x = 98,619,757,627.73
  5. Step 5: Solve for x
    x = 98,619,757,627.73/348,354.08
  6. Step 6: Final answer
    x = 283,102.06

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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.