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Finding the Fourth Proportional to 404,166.51, 557,753.85 and 222,885.68

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Solution

The fourth proportional to 404,166.51, 557,753.85 and 222,885.68 is: 307,584.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,166.51 : 557,753.85 = 222,885.68 : x
  2. Step 2: Convert to fraction form
    404,166.51/557,753.85 = 222,885.68/x
  3. Step 3: Cross multiply
    404,166.51x = 557,753.85 × 222,885.68
  4. Step 4: Simplify right side
    404,166.51x = 124,315,343,341.10
  5. Step 5: Solve for x
    x = 124,315,343,341.10/404,166.51
  6. Step 6: Final answer
    x = 307,584.47

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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.