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Finding the Fourth Proportional to 6,158,374.88, 8,498,212.80 and 3,404,901.92

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Solution

The fourth proportional to 6,158,374.88, 8,498,212.80 and 3,404,901.92 is: 4,698,574.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,158,374.88 : 8,498,212.80 = 3,404,901.92 : x
  2. Step 2: Convert to fraction form
    6,158,374.88/8,498,212.80 = 3,404,901.92/x
  3. Step 3: Cross multiply
    6,158,374.88x = 8,498,212.80 × 3,404,901.92
  4. Step 4: Simplify right side
    6,158,374.88x = 28,935,581,079,288.58
  5. Step 5: Solve for x
    x = 28,935,581,079,288.58/6,158,374.88
  6. Step 6: Final answer
    x = 4,698,574.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.