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Finding the Fourth Proportional to 331,401.60, 496,130.40 and 297,200.16

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Solution

The fourth proportional to 331,401.60, 496,130.40 and 297,200.16 is: 444,928.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,401.60 : 496,130.40 = 297,200.16 : x
  2. Step 2: Convert to fraction form
    331,401.60/496,130.40 = 297,200.16/x
  3. Step 3: Cross multiply
    331,401.60x = 496,130.40 × 297,200.16
  4. Step 4: Simplify right side
    331,401.60x = 147,450,034,260.86
  5. Step 5: Solve for x
    x = 147,450,034,260.86/331,401.60
  6. Step 6: Final answer
    x = 444,928.55

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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.