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Finding the Fourth Proportional to 358,880.13, 495,255.06 and 195,535.80

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Solution

The fourth proportional to 358,880.13, 495,255.06 and 195,535.80 is: 269,839.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,880.13 : 495,255.06 = 195,535.80 : x
  2. Step 2: Convert to fraction form
    358,880.13/495,255.06 = 195,535.80/x
  3. Step 3: Cross multiply
    358,880.13x = 495,255.06 × 195,535.80
  4. Step 4: Simplify right side
    358,880.13x = 96,840,094,361.15
  5. Step 5: Solve for x
    x = 96,840,094,361.15/358,880.13
  6. Step 6: Final answer
    x = 269,839.67

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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.