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Finding the Fourth Proportional to 294,645.60, 441,968.40 and 107,632.80

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Solution

The fourth proportional to 294,645.60, 441,968.40 and 107,632.80 is: 161,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,645.60 : 441,968.40 = 107,632.80 : x
  2. Step 2: Convert to fraction form
    294,645.60/441,968.40 = 107,632.80/x
  3. Step 3: Cross multiply
    294,645.60x = 441,968.40 × 107,632.80
  4. Step 4: Simplify right side
    294,645.60x = 47,570,296,403.52
  5. Step 5: Solve for x
    x = 47,570,296,403.52/294,645.60
  6. Step 6: Final answer
    x = 161,449.20

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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.