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Finding the Fourth Proportional to 478,921.00, 660,898.62 and 264,057.36

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Solution

The fourth proportional to 478,921.00, 660,898.62 and 264,057.36 is: 364,392.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,921.00 : 660,898.62 = 264,057.36 : x
  2. Step 2: Convert to fraction form
    478,921.00/660,898.62 = 264,057.36/x
  3. Step 3: Cross multiply
    478,921.00x = 660,898.62 × 264,057.36
  4. Step 4: Simplify right side
    478,921.00x = 174,515,144,824.84
  5. Step 5: Solve for x
    x = 174,515,144,824.84/478,921.00
  6. Step 6: Final answer
    x = 364,392.34

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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.