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Finding the Fourth Proportional to 417,090.21, 575,562.11 and 235,791.33

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Solution

The fourth proportional to 417,090.21, 575,562.11 and 235,791.33 is: 325,379.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,090.21 : 575,562.11 = 235,791.33 : x
  2. Step 2: Convert to fraction form
    417,090.21/575,562.11 = 235,791.33/x
  3. Step 3: Cross multiply
    417,090.21x = 575,562.11 × 235,791.33
  4. Step 4: Simplify right side
    417,090.21x = 135,712,554,235.55
  5. Step 5: Solve for x
    x = 135,712,554,235.55/417,090.21
  6. Step 6: Final answer
    x = 325,379.38

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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.