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Finding the Fourth Proportional to 339,452.29, 468,444.45 and 186,490.78

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Solution

The fourth proportional to 339,452.29, 468,444.45 and 186,490.78 is: 257,357.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,452.29 : 468,444.45 = 186,490.78 : x
  2. Step 2: Convert to fraction form
    339,452.29/468,444.45 = 186,490.78/x
  3. Step 3: Cross multiply
    339,452.29x = 468,444.45 × 186,490.78
  4. Step 4: Simplify right side
    339,452.29x = 87,360,569,696.06
  5. Step 5: Solve for x
    x = 87,360,569,696.06/339,452.29
  6. Step 6: Final answer
    x = 257,357.43

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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.