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Finding the Fourth Proportional to 554,334.04, 765,177.60 and 327,979

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Solution

The fourth proportional to 554,334.04, 765,177.60 and 327,979 is: 452,727.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,334.04 : 765,177.60 = 327,979 : x
  2. Step 2: Convert to fraction form
    554,334.04/765,177.60 = 327,979/x
  3. Step 3: Cross multiply
    554,334.04x = 765,177.60 × 327,979
  4. Step 4: Simplify right side
    554,334.04x = 250,962,184,070.40
  5. Step 5: Solve for x
    x = 250,962,184,070.40/554,334.04
  6. Step 6: Final answer
    x = 452,727.36

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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.