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Finding the Fourth Proportional to 612,797.94, 845,661.11 and 344,525.94

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Solution

The fourth proportional to 612,797.94, 845,661.11 and 344,525.94 is: 475,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,797.94 : 845,661.11 = 344,525.94 : x
  2. Step 2: Convert to fraction form
    612,797.94/845,661.11 = 344,525.94/x
  3. Step 3: Cross multiply
    612,797.94x = 845,661.11 × 344,525.94
  4. Step 4: Simplify right side
    612,797.94x = 291,352,187,121.56
  5. Step 5: Solve for x
    x = 291,352,187,121.56/612,797.94
  6. Step 6: Final answer
    x = 475,445.77

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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.