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Finding the Fourth Proportional to 368,656.68, 552,984.74 and 210,774.38

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Solution

The fourth proportional to 368,656.68, 552,984.74 and 210,774.38 is: 316,161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,656.68 : 552,984.74 = 210,774.38 : x
  2. Step 2: Convert to fraction form
    368,656.68/552,984.74 = 210,774.38/x
  3. Step 3: Cross multiply
    368,656.68x = 552,984.74 × 210,774.38
  4. Step 4: Simplify right side
    368,656.68x = 116,555,015,722.96
  5. Step 5: Solve for x
    x = 116,555,015,722.96/368,656.68
  6. Step 6: Final answer
    x = 316,161.41

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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.