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Finding the Fourth Proportional to 1,895,582.25, 2,843,373.38 and 758,856.20

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Solution

The fourth proportional to 1,895,582.25, 2,843,373.38 and 758,856.20 is: 1,138,284.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895,582.25 : 2,843,373.38 = 758,856.20 : x
  2. Step 2: Convert to fraction form
    1,895,582.25/2,843,373.38 = 758,856.20/x
  3. Step 3: Cross multiply
    1,895,582.25x = 2,843,373.38 × 758,856.20
  4. Step 4: Simplify right side
    1,895,582.25x = 2,157,711,500,316.81
  5. Step 5: Solve for x
    x = 2,157,711,500,316.81/1,895,582.25
  6. Step 6: Final answer
    x = 1,138,284.29

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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.