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Finding the Fourth Proportional to 2,427,915.90, 3,392,783.70 and 2,427,915.90

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Solution

The fourth proportional to 2,427,915.90, 3,392,783.70 and 2,427,915.90 is: 3,392,783.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427,915.90 : 3,392,783.70 = 2,427,915.90 : x
  2. Step 2: Convert to fraction form
    2,427,915.90/3,392,783.70 = 2,427,915.90/x
  3. Step 3: Cross multiply
    2,427,915.90x = 3,392,783.70 × 2,427,915.90
  4. Step 4: Simplify right side
    2,427,915.90x = 8,237,393,490,490.83
  5. Step 5: Solve for x
    x = 8,237,393,490,490.83/2,427,915.90
  6. Step 6: Final answer
    x = 3,392,783.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.