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Finding the Fourth Proportional to 573,204.60, 859,806.90 and 538,212.60

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Solution

The fourth proportional to 573,204.60, 859,806.90 and 538,212.60 is: 807,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,204.60 : 859,806.90 = 538,212.60 : x
  2. Step 2: Convert to fraction form
    573,204.60/859,806.90 = 538,212.60/x
  3. Step 3: Cross multiply
    573,204.60x = 859,806.90 × 538,212.60
  4. Step 4: Simplify right side
    573,204.60x = 462,758,907,146.94
  5. Step 5: Solve for x
    x = 462,758,907,146.94/573,204.60
  6. Step 6: Final answer
    x = 807,318.90

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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.