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Finding the Fourth Proportional to 666,022.40, 996,117.60 and 595,455.20

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Solution

The fourth proportional to 666,022.40, 996,117.60 and 595,455.20 is: 890,575.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,022.40 : 996,117.60 = 595,455.20 : x
  2. Step 2: Convert to fraction form
    666,022.40/996,117.60 = 595,455.20/x
  3. Step 3: Cross multiply
    666,022.40x = 996,117.60 × 595,455.20
  4. Step 4: Simplify right side
    666,022.40x = 593,143,404,731.52
  5. Step 5: Solve for x
    x = 593,143,404,731.52/666,022.40
  6. Step 6: Final answer
    x = 890,575.76

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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.