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Finding the Fourth Proportional to 294,984.48, 407,113.50 and 167,679.20

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Solution

The fourth proportional to 294,984.48, 407,113.50 and 167,679.20 is: 231,417.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,984.48 : 407,113.50 = 167,679.20 : x
  2. Step 2: Convert to fraction form
    294,984.48/407,113.50 = 167,679.20/x
  3. Step 3: Cross multiply
    294,984.48x = 407,113.50 × 167,679.20
  4. Step 4: Simplify right side
    294,984.48x = 68,264,465,989.20
  5. Step 5: Solve for x
    x = 68,264,465,989.20/294,984.48
  6. Step 6: Final answer
    x = 231,417.14

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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.