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Finding the Fourth Proportional to 297,245.40, 445,922.10 and 97,510.20

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Solution

The fourth proportional to 297,245.40, 445,922.10 and 97,510.20 is: 146,283.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,245.40 : 445,922.10 = 97,510.20 : x
  2. Step 2: Convert to fraction form
    297,245.40/445,922.10 = 97,510.20/x
  3. Step 3: Cross multiply
    297,245.40x = 445,922.10 × 97,510.20
  4. Step 4: Simplify right side
    297,245.40x = 43,481,953,155.42
  5. Step 5: Solve for x
    x = 43,481,953,155.42/297,245.40
  6. Step 6: Final answer
    x = 146,283.01

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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.