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Finding the Fourth Proportional to 260,948.48, 360,102.79 and 153,525.43

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Solution

The fourth proportional to 260,948.48, 360,102.79 and 153,525.43 is: 211,861.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,948.48 : 360,102.79 = 153,525.43 : x
  2. Step 2: Convert to fraction form
    260,948.48/360,102.79 = 153,525.43/x
  3. Step 3: Cross multiply
    260,948.48x = 360,102.79 × 153,525.43
  4. Step 4: Simplify right side
    260,948.48x = 55,284,934,394.88
  5. Step 5: Solve for x
    x = 55,284,934,394.88/260,948.48
  6. Step 6: Final answer
    x = 211,861.49

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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.