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Finding the Fourth Proportional to 614,722.32, 922,087.80 and 194,040.72

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Solution

The fourth proportional to 614,722.32, 922,087.80 and 194,040.72 is: 291,062.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,722.32 : 922,087.80 = 194,040.72 : x
  2. Step 2: Convert to fraction form
    614,722.32/922,087.80 = 194,040.72/x
  3. Step 3: Cross multiply
    614,722.32x = 922,087.80 × 194,040.72
  4. Step 4: Simplify right side
    614,722.32x = 178,922,580,615.22
  5. Step 5: Solve for x
    x = 178,922,580,615.22/614,722.32
  6. Step 6: Final answer
    x = 291,062.44

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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.