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Finding the Fourth Proportional to 275,698,685.70, 413,548,028.55 and 173,662,013.70

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Solution

The fourth proportional to 275,698,685.70, 413,548,028.55 and 173,662,013.70 is: 260,493,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,698,685.70 : 413,548,028.55 = 173,662,013.70 : x
  2. Step 2: Convert to fraction form
    275,698,685.70/413,548,028.55 = 173,662,013.70/x
  3. Step 3: Cross multiply
    275,698,685.70x = 413,548,028.55 × 173,662,013.70
  4. Step 4: Simplify right side
    275,698,685.70x = 71,817,583,399,658,088
  5. Step 5: Solve for x
    x = 71,817,583,399,658,088/275,698,685.70
  6. Step 6: Final answer
    x = 260,493,020.55

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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.