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Finding the Fourth Proportional to 367,009.30, 551,990.18 and 328,627.45

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Solution

The fourth proportional to 367,009.30, 551,990.18 and 328,627.45 is: 494,263.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,009.30 : 551,990.18 = 328,627.45 : x
  2. Step 2: Convert to fraction form
    367,009.30/551,990.18 = 328,627.45/x
  3. Step 3: Cross multiply
    367,009.30x = 551,990.18 × 328,627.45
  4. Step 4: Simplify right side
    367,009.30x = 181,399,125,278.44
  5. Step 5: Solve for x
    x = 181,399,125,278.44/367,009.30
  6. Step 6: Final answer
    x = 494,263.02

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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.