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Finding the Fourth Proportional to 275,333.60, 412,903.20 and 97,846.40

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Solution

The fourth proportional to 275,333.60, 412,903.20 and 97,846.40 is: 146,735.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,333.60 : 412,903.20 = 97,846.40 : x
  2. Step 2: Convert to fraction form
    275,333.60/412,903.20 = 97,846.40/x
  3. Step 3: Cross multiply
    275,333.60x = 412,903.20 × 97,846.40
  4. Step 4: Simplify right side
    275,333.60x = 40,401,091,668.48
  5. Step 5: Solve for x
    x = 40,401,091,668.48/275,333.60
  6. Step 6: Final answer
    x = 146,735.06

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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.