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Finding the Fourth Proportional to 434,090.80, 650,941.80 and 167,762.80

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Solution

The fourth proportional to 434,090.80, 650,941.80 and 167,762.80 is: 251,569.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,090.80 : 650,941.80 = 167,762.80 : x
  2. Step 2: Convert to fraction form
    434,090.80/650,941.80 = 167,762.80/x
  3. Step 3: Cross multiply
    434,090.80x = 650,941.80 × 167,762.80
  4. Step 4: Simplify right side
    434,090.80x = 109,203,819,005.04
  5. Step 5: Solve for x
    x = 109,203,819,005.04/434,090.80
  6. Step 6: Final answer
    x = 251,569.07

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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.