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Finding the Fourth Proportional to 475,119.77, 712,605.37 and 155,269.09

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Solution

The fourth proportional to 475,119.77, 712,605.37 and 155,269.09 is: 232,879.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,119.77 : 712,605.37 = 155,269.09 : x
  2. Step 2: Convert to fraction form
    475,119.77/712,605.37 = 155,269.09/x
  3. Step 3: Cross multiply
    475,119.77x = 712,605.37 × 155,269.09
  4. Step 4: Simplify right side
    475,119.77x = 110,645,586,552.67
  5. Step 5: Solve for x
    x = 110,645,586,552.67/475,119.77
  6. Step 6: Final answer
    x = 232,879.36

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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.