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Finding the Fourth Proportional to 612,682.36, 845,494.14 and 344,410.36

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Solution

The fourth proportional to 612,682.36, 845,494.14 and 344,410.36 is: 475,282.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,682.36 : 845,494.14 = 344,410.36 : x
  2. Step 2: Convert to fraction form
    612,682.36/845,494.14 = 344,410.36/x
  3. Step 3: Cross multiply
    612,682.36x = 845,494.14 × 344,410.36
  4. Step 4: Simplify right side
    612,682.36x = 291,196,941,135.29
  5. Step 5: Solve for x
    x = 291,196,941,135.29/612,682.36
  6. Step 6: Final answer
    x = 475,282.07

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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.