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Finding the Fourth Proportional to 633,497.20, 874,240.24 and 361,559.64

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Solution

The fourth proportional to 633,497.20, 874,240.24 and 361,559.64 is: 498,960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,497.20 : 874,240.24 = 361,559.64 : x
  2. Step 2: Convert to fraction form
    633,497.20/874,240.24 = 361,559.64/x
  3. Step 3: Cross multiply
    633,497.20x = 874,240.24 × 361,559.64
  4. Step 4: Simplify right side
    633,497.20x = 316,089,986,447.91
  5. Step 5: Solve for x
    x = 316,089,986,447.91/633,497.20
  6. Step 6: Final answer
    x = 498,960.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.