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Finding the Fourth Proportional to 297,808.48, 411,394.08 and 270,903.52

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Solution

The fourth proportional to 297,808.48, 411,394.08 and 270,903.52 is: 374,227.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,808.48 : 411,394.08 = 270,903.52 : x
  2. Step 2: Convert to fraction form
    297,808.48/411,394.08 = 270,903.52/x
  3. Step 3: Cross multiply
    297,808.48x = 411,394.08 × 270,903.52
  4. Step 4: Simplify right side
    297,808.48x = 111,448,104,379.16
  5. Step 5: Solve for x
    x = 111,448,104,379.16/297,808.48
  6. Step 6: Final answer
    x = 374,227.44

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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.