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Finding the Fourth Proportional to 507,925.08, 700,794.72 and 400,161.06

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Solution

The fourth proportional to 507,925.08, 700,794.72 and 400,161.06 is: 552,110.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,925.08 : 700,794.72 = 400,161.06 : x
  2. Step 2: Convert to fraction form
    507,925.08/700,794.72 = 400,161.06/x
  3. Step 3: Cross multiply
    507,925.08x = 700,794.72 × 400,161.06
  4. Step 4: Simplify right side
    507,925.08x = 280,430,757,997.60
  5. Step 5: Solve for x
    x = 280,430,757,997.60/507,925.08
  6. Step 6: Final answer
    x = 552,110.48

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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.