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Finding the Fourth Proportional to 1,857,852, 2,787,246.36 and 528,156

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Solution

The fourth proportional to 1,857,852, 2,787,246.36 and 528,156 is: 792,367.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,852 : 2,787,246.36 = 528,156 : x
  2. Step 2: Convert to fraction form
    1,857,852/2,787,246.36 = 528,156/x
  3. Step 3: Cross multiply
    1,857,852x = 2,787,246.36 × 528,156
  4. Step 4: Simplify right side
    1,857,852x = 1,472,100,888,512.16
  5. Step 5: Solve for x
    x = 1,472,100,888,512.16/1,857,852
  6. Step 6: Final answer
    x = 792,367.15

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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.