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Finding the Fourth Proportional to 633,534.56, 874,034.16 and 361,617.60

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Solution

The fourth proportional to 633,534.56, 874,034.16 and 361,617.60 is: 498,893.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,534.56 : 874,034.16 = 361,617.60 : x
  2. Step 2: Convert to fraction form
    633,534.56/874,034.16 = 361,617.60/x
  3. Step 3: Cross multiply
    633,534.56x = 874,034.16 × 361,617.60
  4. Step 4: Simplify right side
    633,534.56x = 316,066,135,257.22
  5. Step 5: Solve for x
    x = 316,066,135,257.22/633,534.56
  6. Step 6: Final answer
    x = 498,893.28

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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.