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Finding the Fourth Proportional to 447,842.10, 618,016.02 and 254,248.04

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Solution

The fourth proportional to 447,842.10, 618,016.02 and 254,248.04 is: 350,858.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,842.10 : 618,016.02 = 254,248.04 : x
  2. Step 2: Convert to fraction form
    447,842.10/618,016.02 = 254,248.04/x
  3. Step 3: Cross multiply
    447,842.10x = 618,016.02 × 254,248.04
  4. Step 4: Simplify right side
    447,842.10x = 157,129,361,773.60
  5. Step 5: Solve for x
    x = 157,129,361,773.60/447,842.10
  6. Step 6: Final answer
    x = 350,858.84

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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.