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Finding the Fourth Proportional to 651,365.80, 977,016.30 and 335,854.60

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Solution

The fourth proportional to 651,365.80, 977,016.30 and 335,854.60 is: 503,765.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,365.80 : 977,016.30 = 335,854.60 : x
  2. Step 2: Convert to fraction form
    651,365.80/977,016.30 = 335,854.60/x
  3. Step 3: Cross multiply
    651,365.80x = 977,016.30 × 335,854.60
  4. Step 4: Simplify right side
    651,365.80x = 328,135,418,629.98
  5. Step 5: Solve for x
    x = 328,135,418,629.98/651,365.80
  6. Step 6: Final answer
    x = 503,765.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.