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Finding the Fourth Proportional to 500,849.58, 751,405.62 and 145,866.66

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Solution

The fourth proportional to 500,849.58, 751,405.62 and 145,866.66 is: 218,838.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,849.58 : 751,405.62 = 145,866.66 : x
  2. Step 2: Convert to fraction form
    500,849.58/751,405.62 = 145,866.66/x
  3. Step 3: Cross multiply
    500,849.58x = 751,405.62 × 145,866.66
  4. Step 4: Simplify right side
    500,849.58x = 109,605,028,094.63
  5. Step 5: Solve for x
    x = 109,605,028,094.63/500,849.58
  6. Step 6: Final answer
    x = 218,838.22

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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.