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Finding the Fourth Proportional to 7,048,562.80, 10,572,844.20 and 2,256,408.40

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Solution

The fourth proportional to 7,048,562.80, 10,572,844.20 and 2,256,408.40 is: 3,384,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048,562.80 : 10,572,844.20 = 2,256,408.40 : x
  2. Step 2: Convert to fraction form
    7,048,562.80/10,572,844.20 = 2,256,408.40/x
  3. Step 3: Cross multiply
    7,048,562.80x = 10,572,844.20 × 2,256,408.40
  4. Step 4: Simplify right side
    7,048,562.80x = 23,856,654,464,771.28
  5. Step 5: Solve for x
    x = 23,856,654,464,771.28/7,048,562.80
  6. Step 6: Final answer
    x = 3,384,612.60

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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.