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Finding the Fourth Proportional to 330,421.80, 495,651.58 and 93,745.80

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Solution

The fourth proportional to 330,421.80, 495,651.58 and 93,745.80 is: 140,624.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,421.80 : 495,651.58 = 93,745.80 : x
  2. Step 2: Convert to fraction form
    330,421.80/495,651.58 = 93,745.80/x
  3. Step 3: Cross multiply
    330,421.80x = 495,651.58 × 93,745.80
  4. Step 4: Simplify right side
    330,421.80x = 46,465,253,888.36
  5. Step 5: Solve for x
    x = 46,465,253,888.36/330,421.80
  6. Step 6: Final answer
    x = 140,624.06

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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.