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Finding the Fourth Proportional to 3,236,978.40, 4,850,218.80 and 2,036,752.80

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Solution

The fourth proportional to 3,236,978.40, 4,850,218.80 and 2,036,752.80 is: 3,051,826.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236,978.40 : 4,850,218.80 = 2,036,752.80 : x
  2. Step 2: Convert to fraction form
    3,236,978.40/4,850,218.80 = 2,036,752.80/x
  3. Step 3: Cross multiply
    3,236,978.40x = 4,850,218.80 × 2,036,752.80
  4. Step 4: Simplify right side
    3,236,978.40x = 9,878,696,721,512.64
  5. Step 5: Solve for x
    x = 9,878,696,721,512.64/3,236,978.40
  6. Step 6: Final answer
    x = 3,051,826.58

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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.