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Finding the Fourth Proportional to 633,382.09, 874,050.56 and 361,445.11

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Solution

The fourth proportional to 633,382.09, 874,050.56 and 361,445.11 is: 498,784.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,382.09 : 874,050.56 = 361,445.11 : x
  2. Step 2: Convert to fraction form
    633,382.09/874,050.56 = 361,445.11/x
  3. Step 3: Cross multiply
    633,382.09x = 874,050.56 × 361,445.11
  4. Step 4: Simplify right side
    633,382.09x = 315,921,298,997.54
  5. Step 5: Solve for x
    x = 315,921,298,997.54/633,382.09
  6. Step 6: Final answer
    x = 498,784.71

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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.