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Finding the Fourth Proportional to 609,200.24, 840,432.32 and 367,348.45

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Solution

The fourth proportional to 609,200.24, 840,432.32 and 367,348.45 is: 506,781.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,200.24 : 840,432.32 = 367,348.45 : x
  2. Step 2: Convert to fraction form
    609,200.24/840,432.32 = 367,348.45/x
  3. Step 3: Cross multiply
    609,200.24x = 840,432.32 × 367,348.45
  4. Step 4: Simplify right side
    609,200.24x = 308,731,511,163.78
  5. Step 5: Solve for x
    x = 308,731,511,163.78/609,200.24
  6. Step 6: Final answer
    x = 506,781.67

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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.