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Finding the Fourth Proportional to 633,660.24, 950,702.64 and 207,215.76

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Solution

The fourth proportional to 633,660.24, 950,702.64 and 207,215.76 is: 310,893.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,660.24 : 950,702.64 = 207,215.76 : x
  2. Step 2: Convert to fraction form
    633,660.24/950,702.64 = 207,215.76/x
  3. Step 3: Cross multiply
    633,660.24x = 950,702.64 × 207,215.76
  4. Step 4: Simplify right side
    633,660.24x = 197,000,570,081.61
  5. Step 5: Solve for x
    x = 197,000,570,081.61/633,660.24
  6. Step 6: Final answer
    x = 310,893.06

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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.