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Finding the Fourth Proportional to 1,969,312, 2,938,510.88 and 1,848,939.52

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Solution

The fourth proportional to 1,969,312, 2,938,510.88 and 1,848,939.52 is: 2,758,896.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,312 : 2,938,510.88 = 1,848,939.52 : x
  2. Step 2: Convert to fraction form
    1,969,312/2,938,510.88 = 1,848,939.52/x
  3. Step 3: Cross multiply
    1,969,312x = 2,938,510.88 × 1,848,939.52
  4. Step 4: Simplify right side
    1,969,312x = 5,433,128,895,981.98
  5. Step 5: Solve for x
    x = 5,433,128,895,981.98/1,969,312
  6. Step 6: Final answer
    x = 2,758,896.96

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