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Finding the Fourth Proportional to 294,658.80, 441,988.20 and 170,242.80

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Solution

The fourth proportional to 294,658.80, 441,988.20 and 170,242.80 is: 255,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,658.80 : 441,988.20 = 170,242.80 : x
  2. Step 2: Convert to fraction form
    294,658.80/441,988.20 = 170,242.80/x
  3. Step 3: Cross multiply
    294,658.80x = 441,988.20 × 170,242.80
  4. Step 4: Simplify right side
    294,658.80x = 75,245,308,734.96
  5. Step 5: Solve for x
    x = 75,245,308,734.96/294,658.80
  6. Step 6: Final answer
    x = 255,364.20

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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.