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Finding the Fourth Proportional to 615,194.65, 922,921.58 and 260,025.85

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Solution

The fourth proportional to 615,194.65, 922,921.58 and 260,025.85 is: 390,093.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,194.65 : 922,921.58 = 260,025.85 : x
  2. Step 2: Convert to fraction form
    615,194.65/922,921.58 = 260,025.85/x
  3. Step 3: Cross multiply
    615,194.65x = 922,921.58 × 260,025.85
  4. Step 4: Simplify right side
    615,194.65x = 239,983,467,022.71
  5. Step 5: Solve for x
    x = 239,983,467,022.71/615,194.65
  6. Step 6: Final answer
    x = 390,093.55

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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.