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Finding the Fourth Proportional to 403,846.33, 557,311.72 and 222,564.89

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Solution

The fourth proportional to 403,846.33, 557,311.72 and 222,564.89 is: 307,141.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,846.33 : 557,311.72 = 222,564.89 : x
  2. Step 2: Convert to fraction form
    403,846.33/557,311.72 = 222,564.89/x
  3. Step 3: Cross multiply
    403,846.33x = 557,311.72 × 222,564.89
  4. Step 4: Simplify right side
    403,846.33x = 124,038,021,657.51
  5. Step 5: Solve for x
    x = 124,038,021,657.51/403,846.33
  6. Step 6: Final answer
    x = 307,141.63

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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.