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Finding the Fourth Proportional to 845,969.80, 1,167,513.24 and 464,071

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Solution

The fourth proportional to 845,969.80, 1,167,513.24 and 464,071 is: 640,459.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,969.80 : 1,167,513.24 = 464,071 : x
  2. Step 2: Convert to fraction form
    845,969.80/1,167,513.24 = 464,071/x
  3. Step 3: Cross multiply
    845,969.80x = 1,167,513.24 × 464,071
  4. Step 4: Simplify right side
    845,969.80x = 541,809,036,800.04
  5. Step 5: Solve for x
    x = 541,809,036,800.04/845,969.80
  6. Step 6: Final answer
    x = 640,459.08

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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.