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Finding the Fourth Proportional to 450,054.39, 621,049.92 and 246,064.70

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Solution

The fourth proportional to 450,054.39, 621,049.92 and 246,064.70 is: 339,555.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,054.39 : 621,049.92 = 246,064.70 : x
  2. Step 2: Convert to fraction form
    450,054.39/621,049.92 = 246,064.70/x
  3. Step 3: Cross multiply
    450,054.39x = 621,049.92 × 246,064.70
  4. Step 4: Simplify right side
    450,054.39x = 152,818,462,249.82
  5. Step 5: Solve for x
    x = 152,818,462,249.82/450,054.39
  6. Step 6: Final answer
    x = 339,555.54

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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.