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Finding the Fourth Proportional to 322,309.60, 483,464.40 and 292,242.40

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Solution

The fourth proportional to 322,309.60, 483,464.40 and 292,242.40 is: 438,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,309.60 : 483,464.40 = 292,242.40 : x
  2. Step 2: Convert to fraction form
    322,309.60/483,464.40 = 292,242.40/x
  3. Step 3: Cross multiply
    322,309.60x = 483,464.40 × 292,242.40
  4. Step 4: Simplify right side
    322,309.60x = 141,288,796,570.56
  5. Step 5: Solve for x
    x = 141,288,796,570.56/322,309.60
  6. Step 6: Final answer
    x = 438,363.60

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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.