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Finding the Fourth Proportional to 662,320.40, 993,480.60 and 593,891.60

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Solution

The fourth proportional to 662,320.40, 993,480.60 and 593,891.60 is: 890,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,320.40 : 993,480.60 = 593,891.60 : x
  2. Step 2: Convert to fraction form
    662,320.40/993,480.60 = 593,891.60/x
  3. Step 3: Cross multiply
    662,320.40x = 993,480.60 × 593,891.60
  4. Step 4: Simplify right side
    662,320.40x = 590,019,783,102.96
  5. Step 5: Solve for x
    x = 590,019,783,102.96/662,320.40
  6. Step 6: Final answer
    x = 890,837.40

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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.