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Finding the Fourth Proportional to 453,924,137.20, 680,886,205.80 and 453,924,137.20

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Solution

The fourth proportional to 453,924,137.20, 680,886,205.80 and 453,924,137.20 is: 680,886,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,924,137.20 : 680,886,205.80 = 453,924,137.20 : x
  2. Step 2: Convert to fraction form
    453,924,137.20/680,886,205.80 = 453,924,137.20/x
  3. Step 3: Cross multiply
    453,924,137.20x = 680,886,205.80 × 453,924,137.20
  4. Step 4: Simplify right side
    453,924,137.20x = 309,070,683,499,146,624
  5. Step 5: Solve for x
    x = 309,070,683,499,146,624/453,924,137.20
  6. Step 6: Final answer
    x = 680,886,205.80

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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.