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Finding the Fourth Proportional to 271,480.80, 407,998.80 and 237,266.40

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Solution

The fourth proportional to 271,480.80, 407,998.80 and 237,266.40 is: 356,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,480.80 : 407,998.80 = 237,266.40 : x
  2. Step 2: Convert to fraction form
    271,480.80/407,998.80 = 237,266.40/x
  3. Step 3: Cross multiply
    271,480.80x = 407,998.80 × 237,266.40
  4. Step 4: Simplify right side
    271,480.80x = 96,804,406,480.32
  5. Step 5: Solve for x
    x = 96,804,406,480.32/271,480.80
  6. Step 6: Final answer
    x = 356,579.20

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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.