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Finding the Fourth Proportional to 348,904.60, 522,060.90 and 255,592.60

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Solution

The fourth proportional to 348,904.60, 522,060.90 and 255,592.60 is: 382,439.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,904.60 : 522,060.90 = 255,592.60 : x
  2. Step 2: Convert to fraction form
    348,904.60/522,060.90 = 255,592.60/x
  3. Step 3: Cross multiply
    348,904.60x = 522,060.90 × 255,592.60
  4. Step 4: Simplify right side
    348,904.60x = 133,434,902,789.34
  5. Step 5: Solve for x
    x = 133,434,902,789.34/348,904.60
  6. Step 6: Final answer
    x = 382,439.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.