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Finding the Fourth Proportional to 1,581,849.78, 2,372,028.93 and 570,839.64

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Solution

The fourth proportional to 1,581,849.78, 2,372,028.93 and 570,839.64 is: 855,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,849.78 : 2,372,028.93 = 570,839.64 : x
  2. Step 2: Convert to fraction form
    1,581,849.78/2,372,028.93 = 570,839.64/x
  3. Step 3: Cross multiply
    1,581,849.78x = 2,372,028.93 × 570,839.64
  4. Step 4: Simplify right side
    1,581,849.78x = 1,354,048,140,470.79
  5. Step 5: Solve for x
    x = 1,354,048,140,470.79/1,581,849.78
  6. Step 6: Final answer
    x = 855,990.35

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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.