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Finding the Fourth Proportional to 347,016.44, 520,601.28 and 147,507.32

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Solution

The fourth proportional to 347,016.44, 520,601.28 and 147,507.32 is: 221,293.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,016.44 : 520,601.28 = 147,507.32 : x
  2. Step 2: Convert to fraction form
    347,016.44/520,601.28 = 147,507.32/x
  3. Step 3: Cross multiply
    347,016.44x = 520,601.28 × 147,507.32
  4. Step 4: Simplify right side
    347,016.44x = 76,792,499,601.37
  5. Step 5: Solve for x
    x = 76,792,499,601.37/347,016.44
  6. Step 6: Final answer
    x = 221,293.55

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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.