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Finding the Fourth Proportional to 439,283.73, 659,015.46 and 151,057.93

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Solution

The fourth proportional to 439,283.73, 659,015.46 and 151,057.93 is: 226,617.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,283.73 : 659,015.46 = 151,057.93 : x
  2. Step 2: Convert to fraction form
    439,283.73/659,015.46 = 151,057.93/x
  3. Step 3: Cross multiply
    439,283.73x = 659,015.46 × 151,057.93
  4. Step 4: Simplify right side
    439,283.73x = 99,549,514,607.63
  5. Step 5: Solve for x
    x = 99,549,514,607.63/439,283.73
  6. Step 6: Final answer
    x = 226,617.81

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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.