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Finding the Fourth Proportional to 554,108.96, 764,490.32 and 339,024.80

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Solution

The fourth proportional to 554,108.96, 764,490.32 and 339,024.80 is: 467,744.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,108.96 : 764,490.32 = 339,024.80 : x
  2. Step 2: Convert to fraction form
    554,108.96/764,490.32 = 339,024.80/x
  3. Step 3: Cross multiply
    554,108.96x = 764,490.32 × 339,024.80
  4. Step 4: Simplify right side
    554,108.96x = 259,181,177,839.94
  5. Step 5: Solve for x
    x = 259,181,177,839.94/554,108.96
  6. Step 6: Final answer
    x = 467,744.07

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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.