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Finding the Fourth Proportional to 446,665.38, 616,398.22 and 245,461.38

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Solution

The fourth proportional to 446,665.38, 616,398.22 and 245,461.38 is: 338,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,665.38 : 616,398.22 = 245,461.38 : x
  2. Step 2: Convert to fraction form
    446,665.38/616,398.22 = 245,461.38/x
  3. Step 3: Cross multiply
    446,665.38x = 616,398.22 × 245,461.38
  4. Step 4: Simplify right side
    446,665.38x = 151,301,957,710.74
  5. Step 5: Solve for x
    x = 151,301,957,710.74/446,665.38
  6. Step 6: Final answer
    x = 338,736.70

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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.