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Finding the Fourth Proportional to 1,768,716, 2,440,830.51 and 963,900

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Solution

The fourth proportional to 1,768,716, 2,440,830.51 and 963,900 is: 1,330,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,716 : 2,440,830.51 = 963,900 : x
  2. Step 2: Convert to fraction form
    1,768,716/2,440,830.51 = 963,900/x
  3. Step 3: Cross multiply
    1,768,716x = 2,440,830.51 × 963,900
  4. Step 4: Simplify right side
    1,768,716x = 2,352,716,528,589
  5. Step 5: Solve for x
    x = 2,352,716,528,589/1,768,716
  6. Step 6: Final answer
    x = 1,330,183.32

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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.