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Finding the Fourth Proportional to 650,250.69, 897,285.11 and 405,212.73

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Solution

The fourth proportional to 650,250.69, 897,285.11 and 405,212.73 is: 559,155.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,250.69 : 897,285.11 = 405,212.73 : x
  2. Step 2: Convert to fraction form
    650,250.69/897,285.11 = 405,212.73/x
  3. Step 3: Cross multiply
    650,250.69x = 897,285.11 × 405,212.73
  4. Step 4: Simplify right side
    650,250.69x = 363,591,346,985.39
  5. Step 5: Solve for x
    x = 363,591,346,985.39/650,250.69
  6. Step 6: Final answer
    x = 559,155.65

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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.