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Finding the Fourth Proportional to 333,698.10, 500,444.89 and 120,439.97

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Solution

The fourth proportional to 333,698.10, 500,444.89 and 120,439.97 is: 180,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,698.10 : 500,444.89 = 120,439.97 : x
  2. Step 2: Convert to fraction form
    333,698.10/500,444.89 = 120,439.97/x
  3. Step 3: Cross multiply
    333,698.10x = 500,444.89 × 120,439.97
  4. Step 4: Simplify right side
    333,698.10x = 60,273,567,048.15
  5. Step 5: Solve for x
    x = 60,273,567,048.15/333,698.10
  6. Step 6: Final answer
    x = 180,623.05

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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.