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Finding the Fourth Proportional to 615,081.53, 922,757.47 and 188,675.87

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Solution

The fourth proportional to 615,081.53, 922,757.47 and 188,675.87 is: 283,055.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,081.53 : 922,757.47 = 188,675.87 : x
  2. Step 2: Convert to fraction form
    615,081.53/922,757.47 = 188,675.87/x
  3. Step 3: Cross multiply
    615,081.53x = 922,757.47 × 188,675.87
  4. Step 4: Simplify right side
    615,081.53x = 174,102,063,365.77
  5. Step 5: Solve for x
    x = 174,102,063,365.77/615,081.53
  6. Step 6: Final answer
    x = 283,055.26

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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.