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Finding the Fourth Proportional to 4,954,265.78, 7,429,615.80 and 1,714,923.29

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Solution

The fourth proportional to 4,954,265.78, 7,429,615.80 and 1,714,923.29 is: 2,571,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,954,265.78 : 7,429,615.80 = 1,714,923.29 : x
  2. Step 2: Convert to fraction form
    4,954,265.78/7,429,615.80 = 1,714,923.29/x
  3. Step 3: Cross multiply
    4,954,265.78x = 7,429,615.80 × 1,714,923.29
  4. Step 4: Simplify right side
    4,954,265.78x = 12,741,221,192,961.50
  5. Step 5: Solve for x
    x = 12,741,221,192,961.50/4,954,265.78
  6. Step 6: Final answer
    x = 2,571,767.80

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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.