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Finding the Fourth Proportional to 570,361,583.82, 854,068,937.52 and 393,644,020.70

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Solution

The fourth proportional to 570,361,583.82, 854,068,937.52 and 393,644,020.70 is: 589,449,114.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,361,583.82 : 854,068,937.52 = 393,644,020.70 : x
  2. Step 2: Convert to fraction form
    570,361,583.82/854,068,937.52 = 393,644,020.70/x
  3. Step 3: Cross multiply
    570,361,583.82x = 854,068,937.52 × 393,644,020.70
  4. Step 4: Simplify right side
    570,361,583.82x = 336,199,130,520,349,888
  5. Step 5: Solve for x
    x = 336,199,130,520,349,888/570,361,583.82
  6. Step 6: Final answer
    x = 589,449,114.49

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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.