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Finding the Fourth Proportional to 404,009.47, 557,508.03 and 222,712.03

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Solution

The fourth proportional to 404,009.47, 557,508.03 and 222,712.03 is: 307,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,009.47 : 557,508.03 = 222,712.03 : x
  2. Step 2: Convert to fraction form
    404,009.47/557,508.03 = 222,712.03/x
  3. Step 3: Cross multiply
    404,009.47x = 557,508.03 × 222,712.03
  4. Step 4: Simplify right side
    404,009.47x = 124,163,745,102.60
  5. Step 5: Solve for x
    x = 124,163,745,102.60/404,009.47
  6. Step 6: Final answer
    x = 307,328.80

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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.