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Finding the Fourth Proportional to 336,369,073.80, 504,553,610.70 and 220,142,927.10

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Solution

The fourth proportional to 336,369,073.80, 504,553,610.70 and 220,142,927.10 is: 330,214,390.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,369,073.80 : 504,553,610.70 = 220,142,927.10 : x
  2. Step 2: Convert to fraction form
    336,369,073.80/504,553,610.70 = 220,142,927.10/x
  3. Step 3: Cross multiply
    336,369,073.80x = 504,553,610.70 × 220,142,927.10
  4. Step 4: Simplify right side
    336,369,073.80x = 111,073,908,738,371,872
  5. Step 5: Solve for x
    x = 111,073,908,738,371,872/336,369,073.80
  6. Step 6: Final answer
    x = 330,214,390.65

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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.