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Finding the Fourth Proportional to 2,859,738.92, 4,289,605.96 and 729,822.88

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Solution

The fourth proportional to 2,859,738.92, 4,289,605.96 and 729,822.88 is: 1,094,733.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,738.92 : 4,289,605.96 = 729,822.88 : x
  2. Step 2: Convert to fraction form
    2,859,738.92/4,289,605.96 = 729,822.88/x
  3. Step 3: Cross multiply
    2,859,738.92x = 4,289,605.96 × 729,822.88
  4. Step 4: Simplify right side
    2,859,738.92x = 3,130,652,575,792.37
  5. Step 5: Solve for x
    x = 3,130,652,575,792.37/2,859,738.92
  6. Step 6: Final answer
    x = 1,094,733.70

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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.