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Finding the Fourth Proportional to 260,515.50, 359,511.39 and 147,335.82

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Solution

The fourth proportional to 260,515.50, 359,511.39 and 147,335.82 is: 203,323.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,515.50 : 359,511.39 = 147,335.82 : x
  2. Step 2: Convert to fraction form
    260,515.50/359,511.39 = 147,335.82/x
  3. Step 3: Cross multiply
    260,515.50x = 359,511.39 × 147,335.82
  4. Step 4: Simplify right side
    260,515.50x = 52,968,905,444.99
  5. Step 5: Solve for x
    x = 52,968,905,444.99/260,515.50
  6. Step 6: Final answer
    x = 203,323.43

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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.