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Finding the Fourth Proportional to 328,937.73, 493,251.06 and 151,392.21

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Solution

The fourth proportional to 328,937.73, 493,251.06 and 151,392.21 is: 227,016.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,937.73 : 493,251.06 = 151,392.21 : x
  2. Step 2: Convert to fraction form
    328,937.73/493,251.06 = 151,392.21/x
  3. Step 3: Cross multiply
    328,937.73x = 493,251.06 × 151,392.21
  4. Step 4: Simplify right side
    328,937.73x = 74,674,368,058.24
  5. Step 5: Solve for x
    x = 74,674,368,058.24/328,937.73
  6. Step 6: Final answer
    x = 227,016.73

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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.