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Finding the Fourth Proportional to 346,601.20, 520,096.20 and 146,887.60

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Solution

The fourth proportional to 346,601.20, 520,096.20 and 146,887.60 is: 220,413.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,601.20 : 520,096.20 = 146,887.60 : x
  2. Step 2: Convert to fraction form
    346,601.20/520,096.20 = 146,887.60/x
  3. Step 3: Cross multiply
    346,601.20x = 520,096.20 × 146,887.60
  4. Step 4: Simplify right side
    346,601.20x = 76,395,682,587.12
  5. Step 5: Solve for x
    x = 76,395,682,587.12/346,601.20
  6. Step 6: Final answer
    x = 220,413.79

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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.