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Finding the Fourth Proportional to 260,467.89, 359,331.66 and 152,989.49

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Solution

The fourth proportional to 260,467.89, 359,331.66 and 152,989.49 is: 211,058.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,467.89 : 359,331.66 = 152,989.49 : x
  2. Step 2: Convert to fraction form
    260,467.89/359,331.66 = 152,989.49/x
  3. Step 3: Cross multiply
    260,467.89x = 359,331.66 × 152,989.49
  4. Step 4: Simplify right side
    260,467.89x = 54,973,968,302.58
  5. Step 5: Solve for x
    x = 54,973,968,302.58/260,467.89
  6. Step 6: Final answer
    x = 211,058.53

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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.