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Finding the Fourth Proportional to 379,761,229.60, 569,641,844.40 and 364,455,728.80

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Solution

The fourth proportional to 379,761,229.60, 569,641,844.40 and 364,455,728.80 is: 546,683,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,761,229.60 : 569,641,844.40 = 364,455,728.80 : x
  2. Step 2: Convert to fraction form
    379,761,229.60/569,641,844.40 = 364,455,728.80/x
  3. Step 3: Cross multiply
    379,761,229.60x = 569,641,844.40 × 364,455,728.80
  4. Step 4: Simplify right side
    379,761,229.60x = 207,609,233,555,778,208
  5. Step 5: Solve for x
    x = 207,609,233,555,778,208/379,761,229.60
  6. Step 6: Final answer
    x = 546,683,593.20

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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.