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Finding the Fourth Proportional to 310,880.80, 466,321.20 and 203,975.20

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Solution

The fourth proportional to 310,880.80, 466,321.20 and 203,975.20 is: 305,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,880.80 : 466,321.20 = 203,975.20 : x
  2. Step 2: Convert to fraction form
    310,880.80/466,321.20 = 203,975.20/x
  3. Step 3: Cross multiply
    310,880.80x = 466,321.20 × 203,975.20
  4. Step 4: Simplify right side
    310,880.80x = 95,117,960,034.24
  5. Step 5: Solve for x
    x = 95,117,960,034.24/310,880.80
  6. Step 6: Final answer
    x = 305,962.80

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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.