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Finding the Fourth Proportional to 845,190.85, 1,166,361.04 and 458,017

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Solution

The fourth proportional to 845,190.85, 1,166,361.04 and 458,017 is: 632,062.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,190.85 : 1,166,361.04 = 458,017 : x
  2. Step 2: Convert to fraction form
    845,190.85/1,166,361.04 = 458,017/x
  3. Step 3: Cross multiply
    845,190.85x = 1,166,361.04 × 458,017
  4. Step 4: Simplify right side
    845,190.85x = 534,213,184,457.68
  5. Step 5: Solve for x
    x = 534,213,184,457.68/845,190.85
  6. Step 6: Final answer
    x = 632,062.20

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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.