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Finding the Fourth Proportional to 666,239.40, 996,443.10 and 595,672.20

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Solution

The fourth proportional to 666,239.40, 996,443.10 and 595,672.20 is: 890,901.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,239.40 : 996,443.10 = 595,672.20 : x
  2. Step 2: Convert to fraction form
    666,239.40/996,443.10 = 595,672.20/x
  3. Step 3: Cross multiply
    666,239.40x = 996,443.10 × 595,672.20
  4. Step 4: Simplify right side
    666,239.40x = 593,553,453,551.82
  5. Step 5: Solve for x
    x = 593,553,453,551.82/666,239.40
  6. Step 6: Final answer
    x = 890,901.16

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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.