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Finding the Fourth Proportional to 606,885.42, 835,254.81 and 445,484.82

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Solution

The fourth proportional to 606,885.42, 835,254.81 and 445,484.82 is: 613,119.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,885.42 : 835,254.81 = 445,484.82 : x
  2. Step 2: Convert to fraction form
    606,885.42/835,254.81 = 445,484.82/x
  3. Step 3: Cross multiply
    606,885.42x = 835,254.81 × 445,484.82
  4. Step 4: Simplify right side
    606,885.42x = 372,093,338,686.98
  5. Step 5: Solve for x
    x = 372,093,338,686.98/606,885.42
  6. Step 6: Final answer
    x = 613,119.59

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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.