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Finding the Fourth Proportional to 914,674.72, 1,365,486.64 and 853,891.01

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Solution

The fourth proportional to 914,674.72, 1,365,486.64 and 853,891.01 is: 1,274,744.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,674.72 : 1,365,486.64 = 853,891.01 : x
  2. Step 2: Convert to fraction form
    914,674.72/1,365,486.64 = 853,891.01/x
  3. Step 3: Cross multiply
    914,674.72x = 1,365,486.64 × 853,891.01
  4. Step 4: Simplify right side
    914,674.72x = 1,165,976,766,171.11
  5. Step 5: Solve for x
    x = 1,165,976,766,171.11/914,674.72
  6. Step 6: Final answer
    x = 1,274,744.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.