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Finding the Fourth Proportional to 297,003.15, 445,340.70 and 97,220.70

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Solution

The fourth proportional to 297,003.15, 445,340.70 and 97,220.70 is: 145,777.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,003.15 : 445,340.70 = 97,220.70 : x
  2. Step 2: Convert to fraction form
    297,003.15/445,340.70 = 97,220.70/x
  3. Step 3: Cross multiply
    297,003.15x = 445,340.70 × 97,220.70
  4. Step 4: Simplify right side
    297,003.15x = 43,296,334,592.49
  5. Step 5: Solve for x
    x = 43,296,334,592.49/297,003.15
  6. Step 6: Final answer
    x = 145,777.36

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1.5x scale

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.