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Finding the Fourth Proportional to 1,822,065.90, 2,733,034.05 and 824,793.90

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Solution

The fourth proportional to 1,822,065.90, 2,733,034.05 and 824,793.90 is: 1,237,161.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822,065.90 : 2,733,034.05 = 824,793.90 : x
  2. Step 2: Convert to fraction form
    1,822,065.90/2,733,034.05 = 824,793.90/x
  3. Step 3: Cross multiply
    1,822,065.90x = 2,733,034.05 × 824,793.90
  4. Step 4: Simplify right side
    1,822,065.90x = 2,254,189,812,932.30
  5. Step 5: Solve for x
    x = 2,254,189,812,932.30/1,822,065.90
  6. Step 6: Final answer
    x = 1,237,161.52

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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.