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Finding the Fourth Proportional to 370,683.41, 555,450.02 and 257,052.85

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Solution

The fourth proportional to 370,683.41, 555,450.02 and 257,052.85 is: 385,180.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,683.41 : 555,450.02 = 257,052.85 : x
  2. Step 2: Convert to fraction form
    370,683.41/555,450.02 = 257,052.85/x
  3. Step 3: Cross multiply
    370,683.41x = 555,450.02 × 257,052.85
  4. Step 4: Simplify right side
    370,683.41x = 142,780,011,316.19
  5. Step 5: Solve for x
    x = 142,780,011,316.19/370,683.41
  6. Step 6: Final answer
    x = 385,180.48

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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.