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Finding the Fourth Proportional to 551,412.54, 760,857.75 and 325,027.26

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Solution

The fourth proportional to 551,412.54, 760,857.75 and 325,027.26 is: 448,483.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,412.54 : 760,857.75 = 325,027.26 : x
  2. Step 2: Convert to fraction form
    551,412.54/760,857.75 = 325,027.26/x
  3. Step 3: Cross multiply
    551,412.54x = 760,857.75 × 325,027.26
  4. Step 4: Simplify right side
    551,412.54x = 247,299,509,732.27
  5. Step 5: Solve for x
    x = 247,299,509,732.27/551,412.54
  6. Step 6: Final answer
    x = 448,483.65

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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.