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Finding the Fourth Proportional to 615,170.46, 922,804 and 165,884.56

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Solution

The fourth proportional to 615,170.46, 922,804 and 165,884.56 is: 248,839.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,170.46 : 922,804 = 165,884.56 : x
  2. Step 2: Convert to fraction form
    615,170.46/922,804 = 165,884.56/x
  3. Step 3: Cross multiply
    615,170.46x = 922,804 × 165,884.56
  4. Step 4: Simplify right side
    615,170.46x = 153,078,935,506.24
  5. Step 5: Solve for x
    x = 153,078,935,506.24/615,170.46
  6. Step 6: Final answer
    x = 248,839.87

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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.