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Finding the Fourth Proportional to 370,176.88, 555,493.76 and 145,497.92

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Solution

The fourth proportional to 370,176.88, 555,493.76 and 145,497.92 is: 218,336.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,176.88 : 555,493.76 = 145,497.92 : x
  2. Step 2: Convert to fraction form
    370,176.88/555,493.76 = 145,497.92/x
  3. Step 3: Cross multiply
    370,176.88x = 555,493.76 × 145,497.92
  4. Step 4: Simplify right side
    370,176.88x = 80,823,186,652.98
  5. Step 5: Solve for x
    x = 80,823,186,652.98/370,176.88
  6. Step 6: Final answer
    x = 218,336.67

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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.