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Finding the Fourth Proportional to 297,177.40, 445,820.10 and 97,442.20

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Solution

The fourth proportional to 297,177.40, 445,820.10 and 97,442.20 is: 146,181.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,177.40 : 445,820.10 = 97,442.20 : x
  2. Step 2: Convert to fraction form
    297,177.40/445,820.10 = 97,442.20/x
  3. Step 3: Cross multiply
    297,177.40x = 445,820.10 × 97,442.20
  4. Step 4: Simplify right side
    297,177.40x = 43,441,691,348.22
  5. Step 5: Solve for x
    x = 43,441,691,348.22/297,177.40
  6. Step 6: Final answer
    x = 146,181.01

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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.