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Finding the Fourth Proportional to 260,989.35, 360,159.17 and 153,566.34

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Solution

The fourth proportional to 260,989.35, 360,159.17 and 153,566.34 is: 211,917.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,989.35 : 360,159.17 = 153,566.34 : x
  2. Step 2: Convert to fraction form
    260,989.35/360,159.17 = 153,566.34/x
  3. Step 3: Cross multiply
    260,989.35x = 360,159.17 × 153,566.34
  4. Step 4: Simplify right side
    260,989.35x = 55,308,325,554.34
  5. Step 5: Solve for x
    x = 55,308,325,554.34/260,989.35
  6. Step 6: Final answer
    x = 211,917.94

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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.