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Finding the Fourth Proportional to 322,075.93, 480,945.01 and 263,028.73

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Solution

The fourth proportional to 322,075.93, 480,945.01 and 263,028.73 is: 392,771.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,075.93 : 480,945.01 = 263,028.73 : x
  2. Step 2: Convert to fraction form
    322,075.93/480,945.01 = 263,028.73/x
  3. Step 3: Cross multiply
    322,075.93x = 480,945.01 × 263,028.73
  4. Step 4: Simplify right side
    322,075.93x = 126,502,355,837.71
  5. Step 5: Solve for x
    x = 126,502,355,837.71/322,075.93
  6. Step 6: Final answer
    x = 392,771.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.