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Finding the Fourth Proportional to 237,484.86, 355,385.85 and 209,459.67

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Solution

The fourth proportional to 237,484.86, 355,385.85 and 209,459.67 is: 313,447.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,484.86 : 355,385.85 = 209,459.67 : x
  2. Step 2: Convert to fraction form
    237,484.86/355,385.85 = 209,459.67/x
  3. Step 3: Cross multiply
    237,484.86x = 355,385.85 × 209,459.67
  4. Step 4: Simplify right side
    237,484.86x = 74,439,002,863.67
  5. Step 5: Solve for x
    x = 74,439,002,863.67/237,484.86
  6. Step 6: Final answer
    x = 313,447.36

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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.