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Finding the Fourth Proportional to 468,704.34, 646,811.80 and 253,844.42

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Solution

The fourth proportional to 468,704.34, 646,811.80 and 253,844.42 is: 350,305.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,704.34 : 646,811.80 = 253,844.42 : x
  2. Step 2: Convert to fraction form
    468,704.34/646,811.80 = 253,844.42/x
  3. Step 3: Cross multiply
    468,704.34x = 646,811.80 × 253,844.42
  4. Step 4: Simplify right side
    468,704.34x = 164,189,562,351.49
  5. Step 5: Solve for x
    x = 164,189,562,351.49/468,704.34
  6. Step 6: Final answer
    x = 350,305.19

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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.