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Finding the Fourth Proportional to 260,292.15, 359,162.69 and 151,420.46

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Solution

The fourth proportional to 260,292.15, 359,162.69 and 151,420.46 is: 208,936.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,292.15 : 359,162.69 = 151,420.46 : x
  2. Step 2: Convert to fraction form
    260,292.15/359,162.69 = 151,420.46/x
  3. Step 3: Cross multiply
    260,292.15x = 359,162.69 × 151,420.46
  4. Step 4: Simplify right side
    260,292.15x = 54,384,577,181.72
  5. Step 5: Solve for x
    x = 54,384,577,181.72/260,292.15
  6. Step 6: Final answer
    x = 208,936.68

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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.