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Finding the Fourth Proportional to 375,434.44, 518,136.68 and 214,313.69

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Solution

The fourth proportional to 375,434.44, 518,136.68 and 214,313.69 is: 295,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,434.44 : 518,136.68 = 214,313.69 : x
  2. Step 2: Convert to fraction form
    375,434.44/518,136.68 = 214,313.69/x
  3. Step 3: Cross multiply
    375,434.44x = 518,136.68 × 214,313.69
  4. Step 4: Simplify right side
    375,434.44x = 111,043,783,815.15
  5. Step 5: Solve for x
    x = 111,043,783,815.15/375,434.44
  6. Step 6: Final answer
    x = 295,774.10

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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.