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Finding the Fourth Proportional to 260,799.33, 359,959.11 and 158,858.40

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Solution

The fourth proportional to 260,799.33, 359,959.11 and 158,858.40 is: 219,258.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,799.33 : 359,959.11 = 158,858.40 : x
  2. Step 2: Convert to fraction form
    260,799.33/359,959.11 = 158,858.40/x
  3. Step 3: Cross multiply
    260,799.33x = 359,959.11 × 158,858.40
  4. Step 4: Simplify right side
    260,799.33x = 57,182,528,280.02
  5. Step 5: Solve for x
    x = 57,182,528,280.02/260,799.33
  6. Step 6: Final answer
    x = 219,258.72

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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.