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Finding the Fourth Proportional to 6,392,906.40, 9,581,194.80 and 2,602,106.40

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Solution

The fourth proportional to 6,392,906.40, 9,581,194.80 and 2,602,106.40 is: 3,899,836.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392,906.40 : 9,581,194.80 = 2,602,106.40 : x
  2. Step 2: Convert to fraction form
    6,392,906.40/9,581,194.80 = 2,602,106.40/x
  3. Step 3: Cross multiply
    6,392,906.40x = 9,581,194.80 × 2,602,106.40
  4. Step 4: Simplify right side
    6,392,906.40x = 24,931,288,308,726.72
  5. Step 5: Solve for x
    x = 24,931,288,308,726.72/6,392,906.40
  6. Step 6: Final answer
    x = 3,899,836.28

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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.