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Finding the Fourth Proportional to 774,711, 1,162,110.22 and 276,075

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Solution

The fourth proportional to 774,711, 1,162,110.22 and 276,075 is: 414,128.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,711 : 1,162,110.22 = 276,075 : x
  2. Step 2: Convert to fraction form
    774,711/1,162,110.22 = 276,075/x
  3. Step 3: Cross multiply
    774,711x = 1,162,110.22 × 276,075
  4. Step 4: Simplify right side
    774,711x = 320,829,578,986.50
  5. Step 5: Solve for x
    x = 320,829,578,986.50/774,711
  6. Step 6: Final answer
    x = 414,128.08

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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.