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Finding the Fourth Proportional to 602,257.97, 831,185.44 and 360,540.47

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Solution

The fourth proportional to 602,257.97, 831,185.44 and 360,540.47 is: 497,587.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,257.97 : 831,185.44 = 360,540.47 : x
  2. Step 2: Convert to fraction form
    602,257.97/831,185.44 = 360,540.47/x
  3. Step 3: Cross multiply
    602,257.97x = 831,185.44 × 360,540.47
  4. Step 4: Simplify right side
    602,257.97x = 299,675,990,371.37
  5. Step 5: Solve for x
    x = 299,675,990,371.37/602,257.97
  6. Step 6: Final answer
    x = 497,587.42

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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.