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Finding the Fourth Proportional to 328,624.02, 492,936.12 and 92,001.56

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Solution

The fourth proportional to 328,624.02, 492,936.12 and 92,001.56 is: 138,002.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,624.02 : 492,936.12 = 92,001.56 : x
  2. Step 2: Convert to fraction form
    328,624.02/492,936.12 = 92,001.56/x
  3. Step 3: Cross multiply
    328,624.02x = 492,936.12 × 92,001.56
  4. Step 4: Simplify right side
    328,624.02x = 45,350,889,555.67
  5. Step 5: Solve for x
    x = 45,350,889,555.67/328,624.02
  6. Step 6: Final answer
    x = 138,002.36

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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.