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Finding the Fourth Proportional to 409,435.09, 565,062.47 and 246,144.46

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Solution

The fourth proportional to 409,435.09, 565,062.47 and 246,144.46 is: 339,704.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,435.09 : 565,062.47 = 246,144.46 : x
  2. Step 2: Convert to fraction form
    409,435.09/565,062.47 = 246,144.46/x
  3. Step 3: Cross multiply
    409,435.09x = 565,062.47 × 246,144.46
  4. Step 4: Simplify right side
    409,435.09x = 139,086,996,544.42
  5. Step 5: Solve for x
    x = 139,086,996,544.42/409,435.09
  6. Step 6: Final answer
    x = 339,704.63

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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.