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Finding the Fourth Proportional to 404,051.66, 606,077.47 and 383,847.56

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Solution

The fourth proportional to 404,051.66, 606,077.47 and 383,847.56 is: 575,771.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,051.66 : 606,077.47 = 383,847.56 : x
  2. Step 2: Convert to fraction form
    404,051.66/606,077.47 = 383,847.56/x
  3. Step 3: Cross multiply
    404,051.66x = 606,077.47 × 383,847.56
  4. Step 4: Simplify right side
    404,051.66x = 232,641,357,752.69
  5. Step 5: Solve for x
    x = 232,641,357,752.69/404,051.66
  6. Step 6: Final answer
    x = 575,771.32

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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.