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Finding the Fourth Proportional to 339,192.59, 468,086.71 and 186,240.69

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Solution

The fourth proportional to 339,192.59, 468,086.71 and 186,240.69 is: 257,012.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,192.59 : 468,086.71 = 186,240.69 : x
  2. Step 2: Convert to fraction form
    339,192.59/468,086.71 = 186,240.69/x
  3. Step 3: Cross multiply
    339,192.59x = 468,086.71 × 186,240.69
  4. Step 4: Simplify right side
    339,192.59x = 87,176,793,574.13
  5. Step 5: Solve for x
    x = 87,176,793,574.13/339,192.59
  6. Step 6: Final answer
    x = 257,012.67

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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.