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Finding the Fourth Proportional to 615,289.20, 922,847.40 and 194,607.60

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Solution

The fourth proportional to 615,289.20, 922,847.40 and 194,607.60 is: 291,884.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,289.20 : 922,847.40 = 194,607.60 : x
  2. Step 2: Convert to fraction form
    615,289.20/922,847.40 = 194,607.60/x
  3. Step 3: Cross multiply
    615,289.20x = 922,847.40 × 194,607.60
  4. Step 4: Simplify right side
    615,289.20x = 179,593,117,680.24
  5. Step 5: Solve for x
    x = 179,593,117,680.24/615,289.20
  6. Step 6: Final answer
    x = 291,884.07

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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.