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Finding the Fourth Proportional to 615,095.68, 922,778.96 and 188,690.24

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Solution

The fourth proportional to 615,095.68, 922,778.96 and 188,690.24 is: 283,076.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,095.68 : 922,778.96 = 188,690.24 : x
  2. Step 2: Convert to fraction form
    615,095.68/922,778.96 = 188,690.24/x
  3. Step 3: Cross multiply
    615,095.68x = 922,778.96 × 188,690.24
  4. Step 4: Simplify right side
    615,095.68x = 174,119,383,429.35
  5. Step 5: Solve for x
    x = 174,119,383,429.35/615,095.68
  6. Step 6: Final answer
    x = 283,076.91

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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.