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Finding the Fourth Proportional to 604,114.56, 906,179.28 and 262,478.88

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Solution

The fourth proportional to 604,114.56, 906,179.28 and 262,478.88 is: 393,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,114.56 : 906,179.28 = 262,478.88 : x
  2. Step 2: Convert to fraction form
    604,114.56/906,179.28 = 262,478.88/x
  3. Step 3: Cross multiply
    604,114.56x = 906,179.28 × 262,478.88
  4. Step 4: Simplify right side
    604,114.56x = 237,852,922,493.61
  5. Step 5: Solve for x
    x = 237,852,922,493.61/604,114.56
  6. Step 6: Final answer
    x = 393,721.55

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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.