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Finding the Fourth Proportional to 368,656.67, 552,984.75 and 210,774.38

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Solution

The fourth proportional to 368,656.67, 552,984.75 and 210,774.38 is: 316,161.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,656.67 : 552,984.75 = 210,774.38 : x
  2. Step 2: Convert to fraction form
    368,656.67/552,984.75 = 210,774.38/x
  3. Step 3: Cross multiply
    368,656.67x = 552,984.75 × 210,774.38
  4. Step 4: Simplify right side
    368,656.67x = 116,555,017,830.71
  5. Step 5: Solve for x
    x = 116,555,017,830.71/368,656.67
  6. Step 6: Final answer
    x = 316,161.42

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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.