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Finding the Fourth Proportional to 507,561.94, 700,388.91 and 292,660.48

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Solution

The fourth proportional to 507,561.94, 700,388.91 and 292,660.48 is: 403,844.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,561.94 : 700,388.91 = 292,660.48 : x
  2. Step 2: Convert to fraction form
    507,561.94/700,388.91 = 292,660.48/x
  3. Step 3: Cross multiply
    507,561.94x = 700,388.91 × 292,660.48
  4. Step 4: Simplify right side
    507,561.94x = 204,976,154,587.28
  5. Step 5: Solve for x
    x = 204,976,154,587.28/507,561.94
  6. Step 6: Final answer
    x = 403,844.61

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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.