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Finding the Fourth Proportional to 473,958.38, 710,937.43 and 189,776.90

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Solution

The fourth proportional to 473,958.38, 710,937.43 and 189,776.90 is: 284,665.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,958.38 : 710,937.43 = 189,776.90 : x
  2. Step 2: Convert to fraction form
    473,958.38/710,937.43 = 189,776.90/x
  3. Step 3: Cross multiply
    473,958.38x = 710,937.43 × 189,776.90
  4. Step 4: Simplify right side
    473,958.38x = 134,919,501,559.37
  5. Step 5: Solve for x
    x = 134,919,501,559.37/473,958.38
  6. Step 6: Final answer
    x = 284,665.29

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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.