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Finding the Fourth Proportional to 972,230.80, 1,457,908.80 and 372,992.80

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Solution

The fourth proportional to 972,230.80, 1,457,908.80 and 372,992.80 is: 559,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,230.80 : 1,457,908.80 = 372,992.80 : x
  2. Step 2: Convert to fraction form
    972,230.80/1,457,908.80 = 372,992.80/x
  3. Step 3: Cross multiply
    972,230.80x = 1,457,908.80 × 372,992.80
  4. Step 4: Simplify right side
    972,230.80x = 543,789,485,456.64
  5. Step 5: Solve for x
    x = 543,789,485,456.64/972,230.80
  6. Step 6: Final answer
    x = 559,321.39

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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.