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Finding the Fourth Proportional to 834,957.76, 1,251,410.16 and 385,054

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Solution

The fourth proportional to 834,957.76, 1,251,410.16 and 385,054 is: 577,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,957.76 : 1,251,410.16 = 385,054 : x
  2. Step 2: Convert to fraction form
    834,957.76/1,251,410.16 = 385,054/x
  3. Step 3: Cross multiply
    834,957.76x = 1,251,410.16 × 385,054
  4. Step 4: Simplify right side
    834,957.76x = 481,860,487,748.64
  5. Step 5: Solve for x
    x = 481,860,487,748.64/834,957.76
  6. Step 6: Final answer
    x = 577,107.62

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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.