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Finding the Fourth Proportional to 1,895,582.63, 2,843,373.94 and 758,856.57

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Solution

The fourth proportional to 1,895,582.63, 2,843,373.94 and 758,856.57 is: 1,138,284.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895,582.63 : 2,843,373.94 = 758,856.57 : x
  2. Step 2: Convert to fraction form
    1,895,582.63/2,843,373.94 = 758,856.57/x
  3. Step 3: Cross multiply
    1,895,582.63x = 2,843,373.94 × 758,856.57
  4. Step 4: Simplify right side
    1,895,582.63x = 2,157,712,993,438.64
  5. Step 5: Solve for x
    x = 2,157,712,993,438.64/1,895,582.63
  6. Step 6: Final answer
    x = 1,138,284.86

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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.