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Finding the Fourth Proportional to 435,998.98, 601,712.28 and 261,575.71

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Solution

The fourth proportional to 435,998.98, 601,712.28 and 261,575.71 is: 360,994.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,998.98 : 601,712.28 = 261,575.71 : x
  2. Step 2: Convert to fraction form
    435,998.98/601,712.28 = 261,575.71/x
  3. Step 3: Cross multiply
    435,998.98x = 601,712.28 × 261,575.71
  4. Step 4: Simplify right side
    435,998.98x = 157,393,315,352.44
  5. Step 5: Solve for x
    x = 157,393,315,352.44/435,998.98
  6. Step 6: Final answer
    x = 360,994.69

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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.