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Finding the Fourth Proportional to 323,503,616.80, 453,711,279.20 and 323,503,616.80

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Solution

The fourth proportional to 323,503,616.80, 453,711,279.20 and 323,503,616.80 is: 453,711,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,503,616.80 : 453,711,279.20 = 323,503,616.80 : x
  2. Step 2: Convert to fraction form
    323,503,616.80/453,711,279.20 = 323,503,616.80/x
  3. Step 3: Cross multiply
    323,503,616.80x = 453,711,279.20 × 323,503,616.80
  4. Step 4: Simplify right side
    323,503,616.80x = 146,777,239,804,154,624
  5. Step 5: Solve for x
    x = 146,777,239,804,154,624/323,503,616.80
  6. Step 6: Final answer
    x = 453,711,279.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.