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Finding the Fourth Proportional to 583,187.70, 874,650.27 and 209,210.70

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Solution

The fourth proportional to 583,187.70, 874,650.27 and 209,210.70 is: 313,768.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,187.70 : 874,650.27 = 209,210.70 : x
  2. Step 2: Convert to fraction form
    583,187.70/874,650.27 = 209,210.70/x
  3. Step 3: Cross multiply
    583,187.70x = 874,650.27 × 209,210.70
  4. Step 4: Simplify right side
    583,187.70x = 182,986,195,241.89
  5. Step 5: Solve for x
    x = 182,986,195,241.89/583,187.70
  6. Step 6: Final answer
    x = 313,768.96

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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.