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Finding the Fourth Proportional to 875,794.75, 1,313,684.25 and 276,756.01

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Solution

The fourth proportional to 875,794.75, 1,313,684.25 and 276,756.01 is: 415,131.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,794.75 : 1,313,684.25 = 276,756.01 : x
  2. Step 2: Convert to fraction form
    875,794.75/1,313,684.25 = 276,756.01/x
  3. Step 3: Cross multiply
    875,794.75x = 1,313,684.25 × 276,756.01
  4. Step 4: Simplify right side
    875,794.75x = 363,570,011,429.84
  5. Step 5: Solve for x
    x = 363,570,011,429.84/875,794.75
  6. Step 6: Final answer
    x = 415,131.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.