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Finding the Fourth Proportional to 339,491.94, 508,275.63 and 282,105.06

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Solution

The fourth proportional to 339,491.94, 508,275.63 and 282,105.06 is: 422,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,491.94 : 508,275.63 = 282,105.06 : x
  2. Step 2: Convert to fraction form
    339,491.94/508,275.63 = 282,105.06/x
  3. Step 3: Cross multiply
    339,491.94x = 508,275.63 × 282,105.06
  4. Step 4: Simplify right side
    339,491.94x = 143,387,127,097.69
  5. Step 5: Solve for x
    x = 143,387,127,097.69/339,491.94
  6. Step 6: Final answer
    x = 422,357.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.