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Finding the Fourth Proportional to 4,102,978.68, 6,148,966.59 and 3,193,259.58

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Solution

The fourth proportional to 4,102,978.68, 6,148,966.59 and 3,193,259.58 is: 4,785,607.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102,978.68 : 6,148,966.59 = 3,193,259.58 : x
  2. Step 2: Convert to fraction form
    4,102,978.68/6,148,966.59 = 3,193,259.58/x
  3. Step 3: Cross multiply
    4,102,978.68x = 6,148,966.59 × 3,193,259.58
  4. Step 4: Simplify right side
    4,102,978.68x = 19,635,246,470,617.43
  5. Step 5: Solve for x
    x = 19,635,246,470,617.43/4,102,978.68
  6. Step 6: Final answer
    x = 4,785,607.73

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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.