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Finding the Fourth Proportional to 323,928.01, 447,030.12 and 180,684.96

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Solution

The fourth proportional to 323,928.01, 447,030.12 and 180,684.96 is: 249,350.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,928.01 : 447,030.12 = 180,684.96 : x
  2. Step 2: Convert to fraction form
    323,928.01/447,030.12 = 180,684.96/x
  3. Step 3: Cross multiply
    323,928.01x = 447,030.12 × 180,684.96
  4. Step 4: Simplify right side
    323,928.01x = 80,771,619,351.00
  5. Step 5: Solve for x
    x = 80,771,619,351.00/323,928.01
  6. Step 6: Final answer
    x = 249,350.52

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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.