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Finding the Fourth Proportional to 589,135.20, 881,661.60 and 352,647.60

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Solution

The fourth proportional to 589,135.20, 881,661.60 and 352,647.60 is: 527,749.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,135.20 : 881,661.60 = 352,647.60 : x
  2. Step 2: Convert to fraction form
    589,135.20/881,661.60 = 352,647.60/x
  3. Step 3: Cross multiply
    589,135.20x = 881,661.60 × 352,647.60
  4. Step 4: Simplify right side
    589,135.20x = 310,915,847,252.16
  5. Step 5: Solve for x
    x = 310,915,847,252.16/589,135.20
  6. Step 6: Final answer
    x = 527,749.57

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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.