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Finding the Fourth Proportional to 297,947.60, 417,679.60 and 297,947.60

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Solution

The fourth proportional to 297,947.60, 417,679.60 and 297,947.60 is: 417,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,947.60 : 417,679.60 = 297,947.60 : x
  2. Step 2: Convert to fraction form
    297,947.60/417,679.60 = 297,947.60/x
  3. Step 3: Cross multiply
    297,947.60x = 417,679.60 × 297,947.60
  4. Step 4: Simplify right side
    297,947.60x = 124,446,634,388.96
  5. Step 5: Solve for x
    x = 124,446,634,388.96/297,947.60
  6. Step 6: Final answer
    x = 417,679.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.