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Finding the Fourth Proportional to 615,099.20, 922,211.34 and 235,698.44

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Solution

The fourth proportional to 615,099.20, 922,211.34 and 235,698.44 is: 353,380.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,099.20 : 922,211.34 = 235,698.44 : x
  2. Step 2: Convert to fraction form
    615,099.20/922,211.34 = 235,698.44/x
  3. Step 3: Cross multiply
    615,099.20x = 922,211.34 × 235,698.44
  4. Step 4: Simplify right side
    615,099.20x = 217,363,774,188.31
  5. Step 5: Solve for x
    x = 217,363,774,188.31/615,099.20
  6. Step 6: Final answer
    x = 353,380.03

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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.