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Finding the Fourth Proportional to 2,774,169, 4,161,253.50 and 779,625

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Solution

The fourth proportional to 2,774,169, 4,161,253.50 and 779,625 is: 1,169,437.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774,169 : 4,161,253.50 = 779,625 : x
  2. Step 2: Convert to fraction form
    2,774,169/4,161,253.50 = 779,625/x
  3. Step 3: Cross multiply
    2,774,169x = 4,161,253.50 × 779,625
  4. Step 4: Simplify right side
    2,774,169x = 3,244,217,259,937.50
  5. Step 5: Solve for x
    x = 3,244,217,259,937.50/2,774,169
  6. Step 6: Final answer
    x = 1,169,437.50

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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.