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Finding the Fourth Proportional to 615,190.10, 922,129.05 and 235,964.30

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Solution

The fourth proportional to 615,190.10, 922,129.05 and 235,964.30 is: 353,694.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,190.10 : 922,129.05 = 235,964.30 : x
  2. Step 2: Convert to fraction form
    615,190.10/922,129.05 = 235,964.30/x
  3. Step 3: Cross multiply
    615,190.10x = 922,129.05 × 235,964.30
  4. Step 4: Simplify right side
    615,190.10x = 217,589,535,792.92
  5. Step 5: Solve for x
    x = 217,589,535,792.92/615,190.10
  6. Step 6: Final answer
    x = 353,694.79

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1.5x scale

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.