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Finding the Fourth Proportional to 1,255,787.04, 1,733,005.60 and 682,828.64

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Solution

The fourth proportional to 1,255,787.04, 1,733,005.60 and 682,828.64 is: 942,314.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,787.04 : 1,733,005.60 = 682,828.64 : x
  2. Step 2: Convert to fraction form
    1,255,787.04/1,733,005.60 = 682,828.64/x
  3. Step 3: Cross multiply
    1,255,787.04x = 1,733,005.60 × 682,828.64
  4. Step 4: Simplify right side
    1,255,787.04x = 1,183,345,856,960.38
  5. Step 5: Solve for x
    x = 1,183,345,856,960.38/1,255,787.04
  6. Step 6: Final answer
    x = 942,314.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.