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Finding the Fourth Proportional to 408,602.34, 563,552.10 and 348,372.36

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Solution

The fourth proportional to 408,602.34, 563,552.10 and 348,372.36 is: 480,481.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,602.34 : 563,552.10 = 348,372.36 : x
  2. Step 2: Convert to fraction form
    408,602.34/563,552.10 = 348,372.36/x
  3. Step 3: Cross multiply
    408,602.34x = 563,552.10 × 348,372.36
  4. Step 4: Simplify right side
    408,602.34x = 196,325,975,059.96
  5. Step 5: Solve for x
    x = 196,325,975,059.96/408,602.34
  6. Step 6: Final answer
    x = 480,481.77

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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.