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Finding the Fourth Proportional to 589,903.80, 885,074.40 and 235,172.40

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Solution

The fourth proportional to 589,903.80, 885,074.40 and 235,172.40 is: 352,845.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,903.80 : 885,074.40 = 235,172.40 : x
  2. Step 2: Convert to fraction form
    589,903.80/885,074.40 = 235,172.40/x
  3. Step 3: Cross multiply
    589,903.80x = 885,074.40 × 235,172.40
  4. Step 4: Simplify right side
    589,903.80x = 208,145,070,826.56
  5. Step 5: Solve for x
    x = 208,145,070,826.56/589,903.80
  6. Step 6: Final answer
    x = 352,845.79

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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.