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Finding the Fourth Proportional to 564,185.44, 778,575.90 and 322,473.21

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Solution

The fourth proportional to 564,185.44, 778,575.90 and 322,473.21 is: 445,013.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,185.44 : 778,575.90 = 322,473.21 : x
  2. Step 2: Convert to fraction form
    564,185.44/778,575.90 = 322,473.21/x
  3. Step 3: Cross multiply
    564,185.44x = 778,575.90 × 322,473.21
  4. Step 4: Simplify right side
    564,185.44x = 251,069,868,765.43
  5. Step 5: Solve for x
    x = 251,069,868,765.43/564,185.44
  6. Step 6: Final answer
    x = 445,013.02

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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.