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Finding the Fourth Proportional to 364,775.81, 503,382.25 and 203,645.85

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Solution

The fourth proportional to 364,775.81, 503,382.25 and 203,645.85 is: 281,026.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,775.81 : 503,382.25 = 203,645.85 : x
  2. Step 2: Convert to fraction form
    364,775.81/503,382.25 = 203,645.85/x
  3. Step 3: Cross multiply
    364,775.81x = 503,382.25 × 203,645.85
  4. Step 4: Simplify right side
    364,775.81x = 102,511,703,397.53
  5. Step 5: Solve for x
    x = 102,511,703,397.53/364,775.81
  6. Step 6: Final answer
    x = 281,026.60

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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.