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Finding the Fourth Proportional to 437,880.30, 656,820.45 and 227,928.30

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Solution

The fourth proportional to 437,880.30, 656,820.45 and 227,928.30 is: 341,892.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,880.30 : 656,820.45 = 227,928.30 : x
  2. Step 2: Convert to fraction form
    437,880.30/656,820.45 = 227,928.30/x
  3. Step 3: Cross multiply
    437,880.30x = 656,820.45 × 227,928.30
  4. Step 4: Simplify right side
    437,880.30x = 149,707,968,573.74
  5. Step 5: Solve for x
    x = 149,707,968,573.74/437,880.30
  6. Step 6: Final answer
    x = 341,892.45

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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.