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Finding the Fourth Proportional to 700,886.80, 1,051,505.70 and 202,250.80

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Solution

The fourth proportional to 700,886.80, 1,051,505.70 and 202,250.80 is: 303,426.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,886.80 : 1,051,505.70 = 202,250.80 : x
  2. Step 2: Convert to fraction form
    700,886.80/1,051,505.70 = 202,250.80/x
  3. Step 3: Cross multiply
    700,886.80x = 1,051,505.70 × 202,250.80
  4. Step 4: Simplify right side
    700,886.80x = 212,667,869,029.56
  5. Step 5: Solve for x
    x = 212,667,869,029.56/700,886.80
  6. Step 6: Final answer
    x = 303,426.84

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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.