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Finding the Fourth Proportional to 260,950.55, 360,105.65 and 153,527.49

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Solution

The fourth proportional to 260,950.55, 360,105.65 and 153,527.49 is: 211,864.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,950.55 : 360,105.65 = 153,527.49 : x
  2. Step 2: Convert to fraction form
    260,950.55/360,105.65 = 153,527.49/x
  3. Step 3: Cross multiply
    260,950.55x = 360,105.65 × 153,527.49
  4. Step 4: Simplify right side
    260,950.55x = 55,286,115,811.68
  5. Step 5: Solve for x
    x = 55,286,115,811.68/260,950.55
  6. Step 6: Final answer
    x = 211,864.34

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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.