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Finding the Fourth Proportional to 6,498,959.78, 9,748,550.40 and 2,457,350.98

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Solution

The fourth proportional to 6,498,959.78, 9,748,550.40 and 2,457,350.98 is: 3,686,068.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,498,959.78 : 9,748,550.40 = 2,457,350.98 : x
  2. Step 2: Convert to fraction form
    6,498,959.78/9,748,550.40 = 2,457,350.98/x
  3. Step 3: Cross multiply
    6,498,959.78x = 9,748,550.40 × 2,457,350.98
  4. Step 4: Simplify right side
    6,498,959.78x = 23,955,609,845,432.95
  5. Step 5: Solve for x
    x = 23,955,609,845,432.95/6,498,959.78
  6. Step 6: Final answer
    x = 3,686,068.33

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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.