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Finding the Fourth Proportional to 434,420,452.70, 651,630,679.05 and 434,420,452.70

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Solution

The fourth proportional to 434,420,452.70, 651,630,679.05 and 434,420,452.70 is: 651,630,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,420,452.70 : 651,630,679.05 = 434,420,452.70 : x
  2. Step 2: Convert to fraction form
    434,420,452.70/651,630,679.05 = 434,420,452.70/x
  3. Step 3: Cross multiply
    434,420,452.70x = 651,630,679.05 × 434,420,452.70
  4. Step 4: Simplify right side
    434,420,452.70x = 283,081,694,586,109,376
  5. Step 5: Solve for x
    x = 283,081,694,586,109,376/434,420,452.70
  6. Step 6: Final answer
    x = 651,630,679.05

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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.