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Finding the Fourth Proportional to 469,345.62, 703,785.27 and 149,455.73

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Solution

The fourth proportional to 469,345.62, 703,785.27 and 149,455.73 is: 224,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,345.62 : 703,785.27 = 149,455.73 : x
  2. Step 2: Convert to fraction form
    469,345.62/703,785.27 = 149,455.73/x
  3. Step 3: Cross multiply
    469,345.62x = 703,785.27 × 149,455.73
  4. Step 4: Simplify right side
    469,345.62x = 105,184,743,611.02
  5. Step 5: Solve for x
    x = 105,184,743,611.02/469,345.62
  6. Step 6: Final answer
    x = 224,109.35

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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.