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Finding the Fourth Proportional to 437,503.95, 655,740.06 and 197,336.72

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Solution

The fourth proportional to 437,503.95, 655,740.06 and 197,336.72 is: 295,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,503.95 : 655,740.06 = 197,336.72 : x
  2. Step 2: Convert to fraction form
    437,503.95/655,740.06 = 197,336.72/x
  3. Step 3: Cross multiply
    437,503.95x = 655,740.06 × 197,336.72
  4. Step 4: Simplify right side
    437,503.95x = 129,401,593,512.34
  5. Step 5: Solve for x
    x = 129,401,593,512.34/437,503.95
  6. Step 6: Final answer
    x = 295,772.40

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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.