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Finding the Fourth Proportional to 976,231.83, 1,461,801 and 785,651.19

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Solution

The fourth proportional to 976,231.83, 1,461,801 and 785,651.19 is: 1,176,427.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,231.83 : 1,461,801 = 785,651.19 : x
  2. Step 2: Convert to fraction form
    976,231.83/1,461,801 = 785,651.19/x
  3. Step 3: Cross multiply
    976,231.83x = 1,461,801 × 785,651.19
  4. Step 4: Simplify right side
    976,231.83x = 1,148,465,695,193.19
  5. Step 5: Solve for x
    x = 1,148,465,695,193.19/976,231.83
  6. Step 6: Final answer
    x = 1,176,427.22

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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.