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Finding the Fourth Proportional to 615,060.20, 922,485.15 and 165,675.97

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Solution

The fourth proportional to 615,060.20, 922,485.15 and 165,675.97 is: 248,485.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,060.20 : 922,485.15 = 165,675.97 : x
  2. Step 2: Convert to fraction form
    615,060.20/922,485.15 = 165,675.97/x
  3. Step 3: Cross multiply
    615,060.20x = 922,485.15 × 165,675.97
  4. Step 4: Simplify right side
    615,060.20x = 152,833,622,036.85
  5. Step 5: Solve for x
    x = 152,833,622,036.85/615,060.20
  6. Step 6: Final answer
    x = 248,485.63

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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.