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Finding the Fourth Proportional to 260,373.91, 359,299.04 and 145,632.67

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Solution

The fourth proportional to 260,373.91, 359,299.04 and 145,632.67 is: 200,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,373.91 : 359,299.04 = 145,632.67 : x
  2. Step 2: Convert to fraction form
    260,373.91/359,299.04 = 145,632.67/x
  3. Step 3: Cross multiply
    260,373.91x = 359,299.04 × 145,632.67
  4. Step 4: Simplify right side
    260,373.91x = 52,325,678,523.64
  5. Step 5: Solve for x
    x = 52,325,678,523.64/260,373.91
  6. Step 6: Final answer
    x = 200,963.60

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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.