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Finding the Fourth Proportional to 590,982.70, 886,474.05 and 402,025.90

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Solution

The fourth proportional to 590,982.70, 886,474.05 and 402,025.90 is: 603,038.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,982.70 : 886,474.05 = 402,025.90 : x
  2. Step 2: Convert to fraction form
    590,982.70/886,474.05 = 402,025.90/x
  3. Step 3: Cross multiply
    590,982.70x = 886,474.05 × 402,025.90
  4. Step 4: Simplify right side
    590,982.70x = 356,385,527,777.90
  5. Step 5: Solve for x
    x = 356,385,527,777.90/590,982.70
  6. Step 6: Final answer
    x = 603,038.85

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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.