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Finding the Fourth Proportional to 774,570, 1,161,846 and 545,926.44

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Solution

The fourth proportional to 774,570, 1,161,846 and 545,926.44 is: 818,883.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,570 : 1,161,846 = 545,926.44 : x
  2. Step 2: Convert to fraction form
    774,570/1,161,846 = 545,926.44/x
  3. Step 3: Cross multiply
    774,570x = 1,161,846 × 545,926.44
  4. Step 4: Simplify right side
    774,570x = 634,282,450,608.24
  5. Step 5: Solve for x
    x = 634,282,450,608.24/774,570
  6. Step 6: Final answer
    x = 818,883.32

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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.