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Finding the Fourth Proportional to 590,935.80, 886,410.90 and 191,573.40

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Solution

The fourth proportional to 590,935.80, 886,410.90 and 191,573.40 is: 287,362.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,935.80 : 886,410.90 = 191,573.40 : x
  2. Step 2: Convert to fraction form
    590,935.80/886,410.90 = 191,573.40/x
  3. Step 3: Cross multiply
    590,935.80x = 886,410.90 × 191,573.40
  4. Step 4: Simplify right side
    590,935.80x = 169,812,749,910.06
  5. Step 5: Solve for x
    x = 169,812,749,910.06/590,935.80
  6. Step 6: Final answer
    x = 287,362.43

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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.