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Finding the Fourth Proportional to 297,645.60, 446,349.60 and 97,910.40

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Solution

The fourth proportional to 297,645.60, 446,349.60 and 97,910.40 is: 146,826.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,645.60 : 446,349.60 = 97,910.40 : x
  2. Step 2: Convert to fraction form
    297,645.60/446,349.60 = 97,910.40/x
  3. Step 3: Cross multiply
    297,645.60x = 446,349.60 × 97,910.40
  4. Step 4: Simplify right side
    297,645.60x = 43,702,267,875.84
  5. Step 5: Solve for x
    x = 43,702,267,875.84/297,645.60
  6. Step 6: Final answer
    x = 146,826.52

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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.