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Finding the Fourth Proportional to 3,424,689.95, 4,724,280.36 and 2,117,524.15

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Solution

The fourth proportional to 3,424,689.95, 4,724,280.36 and 2,117,524.15 is: 2,921,075.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424,689.95 : 4,724,280.36 = 2,117,524.15 : x
  2. Step 2: Convert to fraction form
    3,424,689.95/4,724,280.36 = 2,117,524.15/x
  3. Step 3: Cross multiply
    3,424,689.95x = 4,724,280.36 × 2,117,524.15
  4. Step 4: Simplify right side
    3,424,689.95x = 10,003,777,741,859.99
  5. Step 5: Solve for x
    x = 10,003,777,741,859.99/3,424,689.95
  6. Step 6: Final answer
    x = 2,921,075.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.