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Finding the Fourth Proportional to 590,936.80, 886,412.40 and 191,574.40

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Solution

The fourth proportional to 590,936.80, 886,412.40 and 191,574.40 is: 287,363.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,936.80 : 886,412.40 = 191,574.40 : x
  2. Step 2: Convert to fraction form
    590,936.80/886,412.40 = 191,574.40/x
  3. Step 3: Cross multiply
    590,936.80x = 886,412.40 × 191,574.40
  4. Step 4: Simplify right side
    590,936.80x = 169,813,923,682.56
  5. Step 5: Solve for x
    x = 169,813,923,682.56/590,936.80
  6. Step 6: Final answer
    x = 287,363.93

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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.