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Finding the Fourth Proportional to 445,628.97, 614,968.26 and 241,679.82

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Solution

The fourth proportional to 445,628.97, 614,968.26 and 241,679.82 is: 333,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,628.97 : 614,968.26 = 241,679.82 : x
  2. Step 2: Convert to fraction form
    445,628.97/614,968.26 = 241,679.82/x
  3. Step 3: Cross multiply
    445,628.97x = 614,968.26 × 241,679.82
  4. Step 4: Simplify right side
    445,628.97x = 148,625,418,382.51
  5. Step 5: Solve for x
    x = 148,625,418,382.51/445,628.97
  6. Step 6: Final answer
    x = 333,518.30

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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.