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Finding the Fourth Proportional to 330,893.80, 496,340.70 and 294,152.20

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Solution

The fourth proportional to 330,893.80, 496,340.70 and 294,152.20 is: 441,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,893.80 : 496,340.70 = 294,152.20 : x
  2. Step 2: Convert to fraction form
    330,893.80/496,340.70 = 294,152.20/x
  3. Step 3: Cross multiply
    330,893.80x = 496,340.70 × 294,152.20
  4. Step 4: Simplify right side
    330,893.80x = 145,999,708,854.54
  5. Step 5: Solve for x
    x = 145,999,708,854.54/330,893.80
  6. Step 6: Final answer
    x = 441,228.30

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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.