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Finding the Fourth Proportional to 447,999.72, 618,239.34 and 246,795.72

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Solution

The fourth proportional to 447,999.72, 618,239.34 and 246,795.72 is: 340,577.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,999.72 : 618,239.34 = 246,795.72 : x
  2. Step 2: Convert to fraction form
    447,999.72/618,239.34 = 246,795.72/x
  3. Step 3: Cross multiply
    447,999.72x = 618,239.34 × 246,795.72
  4. Step 4: Simplify right side
    447,999.72x = 152,578,818,722.45
  5. Step 5: Solve for x
    x = 152,578,818,722.45/447,999.72
  6. Step 6: Final answer
    x = 340,577.94

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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.