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Finding the Fourth Proportional to 260,959.66, 360,090.66 and 153,490.48

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Solution

The fourth proportional to 260,959.66, 360,090.66 and 153,490.48 is: 211,797.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,959.66 : 360,090.66 = 153,490.48 : x
  2. Step 2: Convert to fraction form
    260,959.66/360,090.66 = 153,490.48/x
  3. Step 3: Cross multiply
    260,959.66x = 360,090.66 × 153,490.48
  4. Step 4: Simplify right side
    260,959.66x = 55,270,487,922.28
  5. Step 5: Solve for x
    x = 55,270,487,922.28/260,959.66
  6. Step 6: Final answer
    x = 211,797.06

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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.