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Finding the Fourth Proportional to 297,658.64, 446,496.60 and 131,459.60

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Solution

The fourth proportional to 297,658.64, 446,496.60 and 131,459.60 is: 197,193.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,658.64 : 446,496.60 = 131,459.60 : x
  2. Step 2: Convert to fraction form
    297,658.64/446,496.60 = 131,459.60/x
  3. Step 3: Cross multiply
    297,658.64x = 446,496.60 × 131,459.60
  4. Step 4: Simplify right side
    297,658.64x = 58,696,264,437.36
  5. Step 5: Solve for x
    x = 58,696,264,437.36/297,658.64
  6. Step 6: Final answer
    x = 197,193.22

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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.