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Finding the Fourth Proportional to 560,738.68, 773,792.34 and 318,998.44

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Solution

The fourth proportional to 560,738.68, 773,792.34 and 318,998.44 is: 440,202.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,738.68 : 773,792.34 = 318,998.44 : x
  2. Step 2: Convert to fraction form
    560,738.68/773,792.34 = 318,998.44/x
  3. Step 3: Cross multiply
    560,738.68x = 773,792.34 × 318,998.44
  4. Step 4: Simplify right side
    560,738.68x = 246,838,549,343.95
  5. Step 5: Solve for x
    x = 246,838,549,343.95/560,738.68
  6. Step 6: Final answer
    x = 440,202.47

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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.