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Finding the Fourth Proportional to 297,059.85, 445,616.06 and 83,829.64

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Solution

The fourth proportional to 297,059.85, 445,616.06 and 83,829.64 is: 125,751.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,059.85 : 445,616.06 = 83,829.64 : x
  2. Step 2: Convert to fraction form
    297,059.85/445,616.06 = 83,829.64/x
  3. Step 3: Cross multiply
    297,059.85x = 445,616.06 × 83,829.64
  4. Step 4: Simplify right side
    297,059.85x = 37,355,833,888.02
  5. Step 5: Solve for x
    x = 37,355,833,888.02/297,059.85
  6. Step 6: Final answer
    x = 125,751.88

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1.5x scale

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.