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Finding the Fourth Proportional to 662,318.40, 993,477.60 and 593,889.60

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Solution

The fourth proportional to 662,318.40, 993,477.60 and 593,889.60 is: 890,834.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,318.40 : 993,477.60 = 593,889.60 : x
  2. Step 2: Convert to fraction form
    662,318.40/993,477.60 = 593,889.60/x
  3. Step 3: Cross multiply
    662,318.40x = 993,477.60 × 593,889.60
  4. Step 4: Simplify right side
    662,318.40x = 590,016,014,472.96
  5. Step 5: Solve for x
    x = 590,016,014,472.96/662,318.40
  6. Step 6: Final answer
    x = 890,834.40

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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.