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Finding the Fourth Proportional to 666,326.02, 919,551.64 and 364,520.02

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Solution

The fourth proportional to 666,326.02, 919,551.64 and 364,520.02 is: 503,049.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,326.02 : 919,551.64 = 364,520.02 : x
  2. Step 2: Convert to fraction form
    666,326.02/919,551.64 = 364,520.02/x
  3. Step 3: Cross multiply
    666,326.02x = 919,551.64 × 364,520.02
  4. Step 4: Simplify right side
    666,326.02x = 335,194,982,203.83
  5. Step 5: Solve for x
    x = 335,194,982,203.83/666,326.02
  6. Step 6: Final answer
    x = 503,049.52

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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.