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Finding the Fourth Proportional to 333,143.52, 499,879.44 and 155,662.80

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Solution

The fourth proportional to 333,143.52, 499,879.44 and 155,662.80 is: 233,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,143.52 : 499,879.44 = 155,662.80 : x
  2. Step 2: Convert to fraction form
    333,143.52/499,879.44 = 155,662.80/x
  3. Step 3: Cross multiply
    333,143.52x = 499,879.44 × 155,662.80
  4. Step 4: Simplify right side
    333,143.52x = 77,812,633,292.83
  5. Step 5: Solve for x
    x = 77,812,633,292.83/333,143.52
  6. Step 6: Final answer
    x = 233,570.90

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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.