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Finding the Fourth Proportional to 566,524.68, 781,774.02 and 311,826.84

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Solution

The fourth proportional to 566,524.68, 781,774.02 and 311,826.84 is: 430,304.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,524.68 : 781,774.02 = 311,826.84 : x
  2. Step 2: Convert to fraction form
    566,524.68/781,774.02 = 311,826.84/x
  3. Step 3: Cross multiply
    566,524.68x = 781,774.02 × 311,826.84
  4. Step 4: Simplify right side
    566,524.68x = 243,778,122,250.70
  5. Step 5: Solve for x
    x = 243,778,122,250.70/566,524.68
  6. Step 6: Final answer
    x = 430,304.51

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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.