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Finding the Fourth Proportional to 368,525.71, 551,902.74 and 210,274.39

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Solution

The fourth proportional to 368,525.71, 551,902.74 and 210,274.39 is: 314,906.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,525.71 : 551,902.74 = 210,274.39 : x
  2. Step 2: Convert to fraction form
    368,525.71/551,902.74 = 210,274.39/x
  3. Step 3: Cross multiply
    368,525.71x = 551,902.74 × 210,274.39
  4. Step 4: Simplify right side
    368,525.71x = 116,051,011,992.83
  5. Step 5: Solve for x
    x = 116,051,011,992.83/368,525.71
  6. Step 6: Final answer
    x = 314,906.15

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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.