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Finding the Fourth Proportional to 624,968.46, 937,496.84 and 309,340.62

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Solution

The fourth proportional to 624,968.46, 937,496.84 and 309,340.62 is: 464,032.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,968.46 : 937,496.84 = 309,340.62 : x
  2. Step 2: Convert to fraction form
    624,968.46/937,496.84 = 309,340.62/x
  3. Step 3: Cross multiply
    624,968.46x = 937,496.84 × 309,340.62
  4. Step 4: Simplify right side
    624,968.46x = 290,005,852,186.94
  5. Step 5: Solve for x
    x = 290,005,852,186.94/624,968.46
  6. Step 6: Final answer
    x = 464,032.78

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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.