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Finding the Fourth Proportional to 4,652,763.44, 6,979,476.98 and 1,241,030.80

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Solution

The fourth proportional to 4,652,763.44, 6,979,476.98 and 1,241,030.80 is: 1,861,634.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,652,763.44 : 6,979,476.98 = 1,241,030.80 : x
  2. Step 2: Convert to fraction form
    4,652,763.44/6,979,476.98 = 1,241,030.80/x
  3. Step 3: Cross multiply
    4,652,763.44x = 6,979,476.98 × 1,241,030.80
  4. Step 4: Simplify right side
    4,652,763.44x = 8,661,745,900,070.99
  5. Step 5: Solve for x
    x = 8,661,745,900,070.99/4,652,763.44
  6. Step 6: Final answer
    x = 1,861,634.71

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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.