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Finding the Fourth Proportional to 1,362,315, 1,880,053.02 and 758,703

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Solution

The fourth proportional to 1,362,315, 1,880,053.02 and 758,703 is: 1,047,042.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,315 : 1,880,053.02 = 758,703 : x
  2. Step 2: Convert to fraction form
    1,362,315/1,880,053.02 = 758,703/x
  3. Step 3: Cross multiply
    1,362,315x = 1,880,053.02 × 758,703
  4. Step 4: Simplify right side
    1,362,315x = 1,426,401,866,433.06
  5. Step 5: Solve for x
    x = 1,426,401,866,433.06/1,362,315
  6. Step 6: Final answer
    x = 1,047,042.62

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Why These Related Problems?

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