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Finding the Fourth Proportional to 560,744.45, 773,812.46 and 515,604.77

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Solution

The fourth proportional to 560,744.45, 773,812.46 and 515,604.77 is: 711,520.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,744.45 : 773,812.46 = 515,604.77 : x
  2. Step 2: Convert to fraction form
    560,744.45/773,812.46 = 515,604.77/x
  3. Step 3: Cross multiply
    560,744.45x = 773,812.46 × 515,604.77
  4. Step 4: Simplify right side
    560,744.45x = 398,981,392,881.38
  5. Step 5: Solve for x
    x = 398,981,392,881.38/560,744.45
  6. Step 6: Final answer
    x = 711,520.90

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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.