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Finding the Fourth Proportional to 633,880.32, 874,778.64 and 361,950.54

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Solution

The fourth proportional to 633,880.32, 874,778.64 and 361,950.54 is: 499,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,880.32 : 874,778.64 = 361,950.54 : x
  2. Step 2: Convert to fraction form
    633,880.32/874,778.64 = 361,950.54/x
  3. Step 3: Cross multiply
    633,880.32x = 874,778.64 × 361,950.54
  4. Step 4: Simplify right side
    633,880.32x = 316,626,601,128.47
  5. Step 5: Solve for x
    x = 316,626,601,128.47/633,880.32
  6. Step 6: Final answer
    x = 499,505.33

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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.