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Finding the Fourth Proportional to 566,730.77, 781,883.03 and 321,573.56

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Solution

The fourth proportional to 566,730.77, 781,883.03 and 321,573.56 is: 443,654.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,730.77 : 781,883.03 = 321,573.56 : x
  2. Step 2: Convert to fraction form
    566,730.77/781,883.03 = 321,573.56/x
  3. Step 3: Cross multiply
    566,730.77x = 781,883.03 × 321,573.56
  4. Step 4: Simplify right side
    566,730.77x = 251,432,906,355.21
  5. Step 5: Solve for x
    x = 251,432,906,355.21/566,730.77
  6. Step 6: Final answer
    x = 443,654.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.