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Finding the Fourth Proportional to 633,221, 873,844.98 and 364,966.28

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Solution

The fourth proportional to 633,221, 873,844.98 and 364,966.28 is: 503,653.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,221 : 873,844.98 = 364,966.28 : x
  2. Step 2: Convert to fraction form
    633,221/873,844.98 = 364,966.28/x
  3. Step 3: Cross multiply
    633,221x = 873,844.98 × 364,966.28
  4. Step 4: Simplify right side
    633,221x = 318,923,951,647.27
  5. Step 5: Solve for x
    x = 318,923,951,647.27/633,221
  6. Step 6: Final answer
    x = 503,653.47

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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.