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Finding the Fourth Proportional to 339,532.66, 468,554.92 and 186,580.72

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Solution

The fourth proportional to 339,532.66, 468,554.92 and 186,580.72 is: 257,481.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,532.66 : 468,554.92 = 186,580.72 : x
  2. Step 2: Convert to fraction form
    339,532.66/468,554.92 = 186,580.72/x
  3. Step 3: Cross multiply
    339,532.66x = 468,554.92 × 186,580.72
  4. Step 4: Simplify right side
    339,532.66x = 87,423,314,333.14
  5. Step 5: Solve for x
    x = 87,423,314,333.14/339,532.66
  6. Step 6: Final answer
    x = 257,481.31

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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.