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Finding the Fourth Proportional to 1,213,554, 1,674,705.24 and 677,010

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Solution

The fourth proportional to 1,213,554, 1,674,705.24 and 677,010 is: 934,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,554 : 1,674,705.24 = 677,010 : x
  2. Step 2: Convert to fraction form
    1,213,554/1,674,705.24 = 677,010/x
  3. Step 3: Cross multiply
    1,213,554x = 1,674,705.24 × 677,010
  4. Step 4: Simplify right side
    1,213,554x = 1,133,792,194,532.40
  5. Step 5: Solve for x
    x = 1,133,792,194,532.40/1,213,554
  6. Step 6: Final answer
    x = 934,274.20

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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.