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Finding the Fourth Proportional to 590,944.80, 886,424.40 and 191,582.40

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Solution

The fourth proportional to 590,944.80, 886,424.40 and 191,582.40 is: 287,375.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,944.80 : 886,424.40 = 191,582.40 : x
  2. Step 2: Convert to fraction form
    590,944.80/886,424.40 = 191,582.40/x
  3. Step 3: Cross multiply
    590,944.80x = 886,424.40 × 191,582.40
  4. Step 4: Simplify right side
    590,944.80x = 169,823,313,970.56
  5. Step 5: Solve for x
    x = 169,823,313,970.56/590,944.80
  6. Step 6: Final answer
    x = 287,375.93

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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.