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Finding the Fourth Proportional to 324,017.60, 486,026.40 and 264,968.60

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Solution

The fourth proportional to 324,017.60, 486,026.40 and 264,968.60 is: 397,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,017.60 : 486,026.40 = 264,968.60 : x
  2. Step 2: Convert to fraction form
    324,017.60/486,026.40 = 264,968.60/x
  3. Step 3: Cross multiply
    324,017.60x = 486,026.40 × 264,968.60
  4. Step 4: Simplify right side
    324,017.60x = 128,781,734,771.04
  5. Step 5: Solve for x
    x = 128,781,734,771.04/324,017.60
  6. Step 6: Final answer
    x = 397,452.90

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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.