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Finding the Fourth Proportional to 270,673.43, 406,000.42 and 70,992.23

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Solution

The fourth proportional to 270,673.43, 406,000.42 and 70,992.23 is: 106,485.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,673.43 : 406,000.42 = 70,992.23 : x
  2. Step 2: Convert to fraction form
    270,673.43/406,000.42 = 70,992.23/x
  3. Step 3: Cross multiply
    270,673.43x = 406,000.42 × 70,992.23
  4. Step 4: Simplify right side
    270,673.43x = 28,822,875,196.74
  5. Step 5: Solve for x
    x = 28,822,875,196.74/270,673.43
  6. Step 6: Final answer
    x = 106,485.79

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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.