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Finding the Fourth Proportional to 325,390.38, 448,807.24 and 298,619.34

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Solution

The fourth proportional to 325,390.38, 448,807.24 and 298,619.34 is: 411,882.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,390.38 : 448,807.24 = 298,619.34 : x
  2. Step 2: Convert to fraction form
    325,390.38/448,807.24 = 298,619.34/x
  3. Step 3: Cross multiply
    325,390.38x = 448,807.24 × 298,619.34
  4. Step 4: Simplify right side
    325,390.38x = 134,022,521,796.02
  5. Step 5: Solve for x
    x = 134,022,521,796.02/325,390.38
  6. Step 6: Final answer
    x = 411,882.25

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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.