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Finding the Fourth Proportional to 413,567.60, 619,314.60 and 330,623.60

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Solution

The fourth proportional to 413,567.60, 619,314.60 and 330,623.60 is: 495,106.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,567.60 : 619,314.60 = 330,623.60 : x
  2. Step 2: Convert to fraction form
    413,567.60/619,314.60 = 330,623.60/x
  3. Step 3: Cross multiply
    413,567.60x = 619,314.60 × 330,623.60
  4. Step 4: Simplify right side
    413,567.60x = 204,760,022,584.56
  5. Step 5: Solve for x
    x = 204,760,022,584.56/413,567.60
  6. Step 6: Final answer
    x = 495,106.54

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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.