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Finding the Fourth Proportional to 579,663.74, 799,944.15 and 350,189.12

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Solution

The fourth proportional to 579,663.74, 799,944.15 and 350,189.12 is: 483,265.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,663.74 : 799,944.15 = 350,189.12 : x
  2. Step 2: Convert to fraction form
    579,663.74/799,944.15 = 350,189.12/x
  3. Step 3: Cross multiply
    579,663.74x = 799,944.15 × 350,189.12
  4. Step 4: Simplify right side
    579,663.74x = 280,131,741,250.72
  5. Step 5: Solve for x
    x = 280,131,741,250.72/579,663.74
  6. Step 6: Final answer
    x = 483,265.94

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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.