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Finding the Fourth Proportional to 573,868.45, 860,900.71 and 236,724.79

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Solution

The fourth proportional to 573,868.45, 860,900.71 and 236,724.79 is: 355,127.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,868.45 : 860,900.71 = 236,724.79 : x
  2. Step 2: Convert to fraction form
    573,868.45/860,900.71 = 236,724.79/x
  3. Step 3: Cross multiply
    573,868.45x = 860,900.71 × 236,724.79
  4. Step 4: Simplify right side
    573,868.45x = 203,796,539,785.60
  5. Step 5: Solve for x
    x = 203,796,539,785.60/573,868.45
  6. Step 6: Final answer
    x = 355,127.63

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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.