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Finding the Fourth Proportional to 381,031.02, 525,581.81 and 244,830.81

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Solution

The fourth proportional to 381,031.02, 525,581.81 and 244,830.81 is: 337,711.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,031.02 : 525,581.81 = 244,830.81 : x
  2. Step 2: Convert to fraction form
    381,031.02/525,581.81 = 244,830.81/x
  3. Step 3: Cross multiply
    381,031.02x = 525,581.81 × 244,830.81
  4. Step 4: Simplify right side
    381,031.02x = 128,678,622,189.60
  5. Step 5: Solve for x
    x = 128,678,622,189.60/381,031.02
  6. Step 6: Final answer
    x = 337,711.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.