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Finding the Fourth Proportional to 487,100.79, 730,581.53 and 167,246.67

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Solution

The fourth proportional to 487,100.79, 730,581.53 and 167,246.67 is: 250,846.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,100.79 : 730,581.53 = 167,246.67 : x
  2. Step 2: Convert to fraction form
    487,100.79/730,581.53 = 167,246.67/x
  3. Step 3: Cross multiply
    487,100.79x = 730,581.53 × 167,246.67
  4. Step 4: Simplify right side
    487,100.79x = 122,187,329,959.45
  5. Step 5: Solve for x
    x = 122,187,329,959.45/487,100.79
  6. Step 6: Final answer
    x = 250,846.09

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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.