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Finding the Fourth Proportional to 273,130.40, 409,695.60 and 217,834.40

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Solution

The fourth proportional to 273,130.40, 409,695.60 and 217,834.40 is: 326,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,130.40 : 409,695.60 = 217,834.40 : x
  2. Step 2: Convert to fraction form
    273,130.40/409,695.60 = 217,834.40/x
  3. Step 3: Cross multiply
    273,130.40x = 409,695.60 × 217,834.40
  4. Step 4: Simplify right side
    273,130.40x = 89,245,795,208.64
  5. Step 5: Solve for x
    x = 89,245,795,208.64/273,130.40
  6. Step 6: Final answer
    x = 326,751.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.