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Finding the Fourth Proportional to 284,034.40, 425,533.20 and 173,096.80

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Solution

The fourth proportional to 284,034.40, 425,533.20 and 173,096.80 is: 259,329.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,034.40 : 425,533.20 = 173,096.80 : x
  2. Step 2: Convert to fraction form
    284,034.40/425,533.20 = 173,096.80/x
  3. Step 3: Cross multiply
    284,034.40x = 425,533.20 × 173,096.80
  4. Step 4: Simplify right side
    284,034.40x = 73,658,435,213.76
  5. Step 5: Solve for x
    x = 73,658,435,213.76/284,034.40
  6. Step 6: Final answer
    x = 259,329.28

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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.