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Finding the Fourth Proportional to 336,399,680.80, 503,465,780.40 and 336,399,680.80

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Solution

The fourth proportional to 336,399,680.80, 503,465,780.40 and 336,399,680.80 is: 503,465,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,399,680.80 : 503,465,780.40 = 336,399,680.80 : x
  2. Step 2: Convert to fraction form
    336,399,680.80/503,465,780.40 = 336,399,680.80/x
  3. Step 3: Cross multiply
    336,399,680.80x = 503,465,780.40 × 336,399,680.80
  4. Step 4: Simplify right side
    336,399,680.80x = 169,365,727,820,282,880
  5. Step 5: Solve for x
    x = 169,365,727,820,282,880/336,399,680.80
  6. Step 6: Final answer
    x = 503,465,780.40

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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.