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Finding the Fourth Proportional to 260,949.80, 360,104.61 and 153,526.74

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Solution

The fourth proportional to 260,949.80, 360,104.61 and 153,526.74 is: 211,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,949.80 : 360,104.61 = 153,526.74 : x
  2. Step 2: Convert to fraction form
    260,949.80/360,104.61 = 153,526.74/x
  3. Step 3: Cross multiply
    260,949.80x = 360,104.61 × 153,526.74
  4. Step 4: Simplify right side
    260,949.80x = 55,285,686,832.27
  5. Step 5: Solve for x
    x = 55,285,686,832.27/260,949.80
  6. Step 6: Final answer
    x = 211,863.30

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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.