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Finding the Fourth Proportional to 402,023.40, 603,035.10 and 244,300.20

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Solution

The fourth proportional to 402,023.40, 603,035.10 and 244,300.20 is: 366,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,023.40 : 603,035.10 = 244,300.20 : x
  2. Step 2: Convert to fraction form
    402,023.40/603,035.10 = 244,300.20/x
  3. Step 3: Cross multiply
    402,023.40x = 603,035.10 × 244,300.20
  4. Step 4: Simplify right side
    402,023.40x = 147,321,595,537.02
  5. Step 5: Solve for x
    x = 147,321,595,537.02/402,023.40
  6. Step 6: Final answer
    x = 366,450.30

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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.