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Finding the Fourth Proportional to 330,854.80, 496,282.20 and 294,113.20

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Solution

The fourth proportional to 330,854.80, 496,282.20 and 294,113.20 is: 441,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,854.80 : 496,282.20 = 294,113.20 : x
  2. Step 2: Convert to fraction form
    330,854.80/496,282.20 = 294,113.20/x
  3. Step 3: Cross multiply
    330,854.80x = 496,282.20 × 294,113.20
  4. Step 4: Simplify right side
    330,854.80x = 145,963,145,945.04
  5. Step 5: Solve for x
    x = 145,963,145,945.04/330,854.80
  6. Step 6: Final answer
    x = 441,169.80

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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.