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Finding the Fourth Proportional to 614,732.43, 922,131.45 and 193,975.50

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Solution

The fourth proportional to 614,732.43, 922,131.45 and 193,975.50 is: 290,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,732.43 : 922,131.45 = 193,975.50 : x
  2. Step 2: Convert to fraction form
    614,732.43/922,131.45 = 193,975.50/x
  3. Step 3: Cross multiply
    614,732.43x = 922,131.45 × 193,975.50
  4. Step 4: Simplify right side
    614,732.43x = 178,870,909,079.48
  5. Step 5: Solve for x
    x = 178,870,909,079.48/614,732.43
  6. Step 6: Final answer
    x = 290,973.60

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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.