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Finding the Fourth Proportional to 2,865,858.76, 4,298,647.66 and 1,068,601.68

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Solution

The fourth proportional to 2,865,858.76, 4,298,647.66 and 1,068,601.68 is: 1,602,850.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865,858.76 : 4,298,647.66 = 1,068,601.68 : x
  2. Step 2: Convert to fraction form
    2,865,858.76/4,298,647.66 = 1,068,601.68/x
  3. Step 3: Cross multiply
    2,865,858.76x = 4,298,647.66 × 1,068,601.68
  4. Step 4: Simplify right side
    2,865,858.76x = 4,593,542,111,204.07
  5. Step 5: Solve for x
    x = 4,593,542,111,204.07/2,865,858.76
  6. Step 6: Final answer
    x = 1,602,850.14

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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.