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Finding the Fourth Proportional to 407,788.01, 562,952.00 and 254,911.24

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Solution

The fourth proportional to 407,788.01, 562,952.00 and 254,911.24 is: 351,905.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,788.01 : 562,952.00 = 254,911.24 : x
  2. Step 2: Convert to fraction form
    407,788.01/562,952.00 = 254,911.24/x
  3. Step 3: Cross multiply
    407,788.01x = 562,952.00 × 254,911.24
  4. Step 4: Simplify right side
    407,788.01x = 143,502,791,105.92
  5. Step 5: Solve for x
    x = 143,502,791,105.92/407,788.01
  6. Step 6: Final answer
    x = 351,905.37

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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.