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Finding the Fourth Proportional to 475,119.27, 712,604.62 and 155,268.59

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Solution

The fourth proportional to 475,119.27, 712,604.62 and 155,268.59 is: 232,878.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,119.27 : 712,604.62 = 155,268.59 : x
  2. Step 2: Convert to fraction form
    475,119.27/712,604.62 = 155,268.59/x
  3. Step 3: Cross multiply
    475,119.27x = 712,604.62 × 155,268.59
  4. Step 4: Simplify right side
    475,119.27x = 110,645,113,798.54
  5. Step 5: Solve for x
    x = 110,645,113,798.54/475,119.27
  6. Step 6: Final answer
    x = 232,878.61

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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.