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Finding the Fourth Proportional to 2,648,363.06, 3,972,581.58 and 755,104.52

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Solution

The fourth proportional to 2,648,363.06, 3,972,581.58 and 755,104.52 is: 1,132,667.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648,363.06 : 3,972,581.58 = 755,104.52 : x
  2. Step 2: Convert to fraction form
    2,648,363.06/3,972,581.58 = 755,104.52/x
  3. Step 3: Cross multiply
    2,648,363.06x = 3,972,581.58 × 755,104.52
  4. Step 4: Simplify right side
    2,648,363.06x = 2,999,714,307,126.74
  5. Step 5: Solve for x
    x = 2,999,714,307,126.74/2,648,363.06
  6. Step 6: Final answer
    x = 1,132,667.33

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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.