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Finding the Fourth Proportional to 561,944.70, 842,917.05 and 561,944.70

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Solution

The fourth proportional to 561,944.70, 842,917.05 and 561,944.70 is: 842,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,944.70 : 842,917.05 = 561,944.70 : x
  2. Step 2: Convert to fraction form
    561,944.70/842,917.05 = 561,944.70/x
  3. Step 3: Cross multiply
    561,944.70x = 842,917.05 × 561,944.70
  4. Step 4: Simplify right side
    561,944.70x = 473,672,768,787.14
  5. Step 5: Solve for x
    x = 473,672,768,787.14/561,944.70
  6. Step 6: Final answer
    x = 842,917.05

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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.