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Finding the Fourth Proportional to 265,005, 365,706.90 and 151,893.36

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Solution

The fourth proportional to 265,005, 365,706.90 and 151,893.36 is: 209,612.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,005 : 365,706.90 = 151,893.36 : x
  2. Step 2: Convert to fraction form
    265,005/365,706.90 = 151,893.36/x
  3. Step 3: Cross multiply
    265,005x = 365,706.90 × 151,893.36
  4. Step 4: Simplify right side
    265,005x = 55,548,449,816.18
  5. Step 5: Solve for x
    x = 55,548,449,816.18/265,005
  6. Step 6: Final answer
    x = 209,612.84

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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.