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Finding the Fourth Proportional to 478,961.16, 660,952.23 and 264,101.16

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Solution

The fourth proportional to 478,961.16, 660,952.23 and 264,101.16 is: 364,451.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,961.16 : 660,952.23 = 264,101.16 : x
  2. Step 2: Convert to fraction form
    478,961.16/660,952.23 = 264,101.16/x
  3. Step 3: Cross multiply
    478,961.16x = 660,952.23 × 264,101.16
  4. Step 4: Simplify right side
    478,961.16x = 174,558,250,647.59
  5. Step 5: Solve for x
    x = 174,558,250,647.59/478,961.16
  6. Step 6: Final answer
    x = 364,451.79

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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.