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Finding the Fourth Proportional to 264,936.30, 397,404.45 and 250,421.10

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Solution

The fourth proportional to 264,936.30, 397,404.45 and 250,421.10 is: 375,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,936.30 : 397,404.45 = 250,421.10 : x
  2. Step 2: Convert to fraction form
    264,936.30/397,404.45 = 250,421.10/x
  3. Step 3: Cross multiply
    264,936.30x = 397,404.45 × 250,421.10
  4. Step 4: Simplify right side
    264,936.30x = 99,518,459,513.90
  5. Step 5: Solve for x
    x = 99,518,459,513.90/264,936.30
  6. Step 6: Final answer
    x = 375,631.65

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Similar ratio
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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.