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Finding the Fourth Proportional to 566,450.79, 781,610.63 and 324,688.88

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Solution

The fourth proportional to 566,450.79, 781,610.63 and 324,688.88 is: 448,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,450.79 : 781,610.63 = 324,688.88 : x
  2. Step 2: Convert to fraction form
    566,450.79/781,610.63 = 324,688.88/x
  3. Step 3: Cross multiply
    566,450.79x = 781,610.63 × 324,688.88
  4. Step 4: Simplify right side
    566,450.79x = 253,780,274,519.30
  5. Step 5: Solve for x
    x = 253,780,274,519.30/566,450.79
  6. Step 6: Final answer
    x = 448,018.22

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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.