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Finding the Fourth Proportional to 614,942.60, 922,698.81 and 235,736.64

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Solution

The fourth proportional to 614,942.60, 922,698.81 and 235,736.64 is: 353,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,942.60 : 922,698.81 = 235,736.64 : x
  2. Step 2: Convert to fraction form
    614,942.60/922,698.81 = 235,736.64/x
  3. Step 3: Cross multiply
    614,942.60x = 922,698.81 × 235,736.64
  4. Step 4: Simplify right side
    614,942.60x = 217,513,917,201.40
  5. Step 5: Solve for x
    x = 217,513,917,201.40/614,942.60
  6. Step 6: Final answer
    x = 353,714.18

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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.