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Finding the Fourth Proportional to 346,593.20, 520,084.20 and 146,879.60

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Solution

The fourth proportional to 346,593.20, 520,084.20 and 146,879.60 is: 220,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,593.20 : 520,084.20 = 146,879.60 : x
  2. Step 2: Convert to fraction form
    346,593.20/520,084.20 = 146,879.60/x
  3. Step 3: Cross multiply
    346,593.20x = 520,084.20 × 146,879.60
  4. Step 4: Simplify right side
    346,593.20x = 76,389,759,262.32
  5. Step 5: Solve for x
    x = 76,389,759,262.32/346,593.20
  6. Step 6: Final answer
    x = 220,401.78

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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.