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Finding the Fourth Proportional to 666,003.52, 919,087.84 and 364,197.12

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Solution

The fourth proportional to 666,003.52, 919,087.84 and 364,197.12 is: 502,593.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,003.52 : 919,087.84 = 364,197.12 : x
  2. Step 2: Convert to fraction form
    666,003.52/919,087.84 = 364,197.12/x
  3. Step 3: Cross multiply
    666,003.52x = 919,087.84 × 364,197.12
  4. Step 4: Simplify right side
    666,003.52x = 334,729,144,355.02
  5. Step 5: Solve for x
    x = 334,729,144,355.02/666,003.52
  6. Step 6: Final answer
    x = 502,593.66

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1.5x scale

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.