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Finding the Fourth Proportional to 648,840.93, 973,609.97 and 270,022.83

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Solution

The fourth proportional to 648,840.93, 973,609.97 and 270,022.83 is: 405,179.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,840.93 : 973,609.97 = 270,022.83 : x
  2. Step 2: Convert to fraction form
    648,840.93/973,609.97 = 270,022.83/x
  3. Step 3: Cross multiply
    648,840.93x = 973,609.97 × 270,022.83
  4. Step 4: Simplify right side
    648,840.93x = 262,896,918,065.50
  5. Step 5: Solve for x
    x = 262,896,918,065.50/648,840.93
  6. Step 6: Final answer
    x = 405,179.31

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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.