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Finding the Fourth Proportional to 834,254.68, 1,251,382 and 384,842.58

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Solution

The fourth proportional to 834,254.68, 1,251,382 and 384,842.58 is: 577,263.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,254.68 : 1,251,382 = 384,842.58 : x
  2. Step 2: Convert to fraction form
    834,254.68/1,251,382 = 384,842.58/x
  3. Step 3: Cross multiply
    834,254.68x = 1,251,382 × 384,842.58
  4. Step 4: Simplify right side
    834,254.68x = 481,585,080,574.02
  5. Step 5: Solve for x
    x = 481,585,080,574.02/834,254.68
  6. Step 6: Final answer
    x = 577,263.86

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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.