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Finding the Fourth Proportional to 507,227.32, 699,972.60 and 292,365.91

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Solution

The fourth proportional to 507,227.32, 699,972.60 and 292,365.91 is: 403,464.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,227.32 : 699,972.60 = 292,365.91 : x
  2. Step 2: Convert to fraction form
    507,227.32/699,972.60 = 292,365.91/x
  3. Step 3: Cross multiply
    507,227.32x = 699,972.60 × 292,365.91
  4. Step 4: Simplify right side
    507,227.32x = 204,648,126,174.07
  5. Step 5: Solve for x
    x = 204,648,126,174.07/507,227.32
  6. Step 6: Final answer
    x = 403,464.32

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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.