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Finding the Fourth Proportional to 1,300,873.75, 1,951,299.72 and 1,016,803.22

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Solution

The fourth proportional to 1,300,873.75, 1,951,299.72 and 1,016,803.22 is: 1,525,196.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,873.75 : 1,951,299.72 = 1,016,803.22 : x
  2. Step 2: Convert to fraction form
    1,300,873.75/1,951,299.72 = 1,016,803.22/x
  3. Step 3: Cross multiply
    1,300,873.75x = 1,951,299.72 × 1,016,803.22
  4. Step 4: Simplify right side
    1,300,873.75x = 1,984,087,828,724.60
  5. Step 5: Solve for x
    x = 1,984,087,828,724.60/1,300,873.75
  6. Step 6: Final answer
    x = 1,525,196.30

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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.