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Finding the Fourth Proportional to 341,968.74, 471,902.15 and 188,999.02

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Solution

The fourth proportional to 341,968.74, 471,902.15 and 188,999.02 is: 260,810.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,968.74 : 471,902.15 = 188,999.02 : x
  2. Step 2: Convert to fraction form
    341,968.74/471,902.15 = 188,999.02/x
  3. Step 3: Cross multiply
    341,968.74x = 471,902.15 × 188,999.02
  4. Step 4: Simplify right side
    341,968.74x = 89,189,044,948.27
  5. Step 5: Solve for x
    x = 89,189,044,948.27/341,968.74
  6. Step 6: Final answer
    x = 260,810.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.