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Finding the Fourth Proportional to 339,266.17, 468,187.73 and 186,314.22

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Solution

The fourth proportional to 339,266.17, 468,187.73 and 186,314.22 is: 257,113.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,266.17 : 468,187.73 = 186,314.22 : x
  2. Step 2: Convert to fraction form
    339,266.17/468,187.73 = 186,314.22/x
  3. Step 3: Cross multiply
    339,266.17x = 468,187.73 × 186,314.22
  4. Step 4: Simplify right side
    339,266.17x = 87,230,030,796.95
  5. Step 5: Solve for x
    x = 87,230,030,796.95/339,266.17
  6. Step 6: Final answer
    x = 257,113.85

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1.5x scale

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.