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Finding the Fourth Proportional to 241,813.80, 362,720.70 and 215,548.20

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Solution

The fourth proportional to 241,813.80, 362,720.70 and 215,548.20 is: 323,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,813.80 : 362,720.70 = 215,548.20 : x
  2. Step 2: Convert to fraction form
    241,813.80/362,720.70 = 215,548.20/x
  3. Step 3: Cross multiply
    241,813.80x = 362,720.70 × 215,548.20
  4. Step 4: Simplify right side
    241,813.80x = 78,183,793,987.74
  5. Step 5: Solve for x
    x = 78,183,793,987.74/241,813.80
  6. Step 6: Final answer
    x = 323,322.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.