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Finding the Fourth Proportional to 339,266.79, 468,188.59 and 186,314.84

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Solution

The fourth proportional to 339,266.79, 468,188.59 and 186,314.84 is: 257,114.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,266.79 : 468,188.59 = 186,314.84 : x
  2. Step 2: Convert to fraction form
    339,266.79/468,188.59 = 186,314.84/x
  3. Step 3: Cross multiply
    339,266.79x = 468,188.59 × 186,314.84
  4. Step 4: Simplify right side
    339,266.79x = 87,230,482,940.36
  5. Step 5: Solve for x
    x = 87,230,482,940.36/339,266.79
  6. Step 6: Final answer
    x = 257,114.71

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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.