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Finding the Fourth Proportional to 284,347,266.20, 426,520,899.30 and 284,347,266.20

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Solution

The fourth proportional to 284,347,266.20, 426,520,899.30 and 284,347,266.20 is: 426,520,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,347,266.20 : 426,520,899.30 = 284,347,266.20 : x
  2. Step 2: Convert to fraction form
    284,347,266.20/426,520,899.30 = 284,347,266.20/x
  3. Step 3: Cross multiply
    284,347,266.20x = 426,520,899.30 × 284,347,266.20
  4. Step 4: Simplify right side
    284,347,266.20x = 121,280,051,693,120,496
  5. Step 5: Solve for x
    x = 121,280,051,693,120,496/284,347,266.20
  6. Step 6: Final answer
    x = 426,520,899.30

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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.