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Finding the Fourth Proportional to 501,303.68, 751,945.80 and 122,225.84

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Solution

The fourth proportional to 501,303.68, 751,945.80 and 122,225.84 is: 183,336.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,303.68 : 751,945.80 = 122,225.84 : x
  2. Step 2: Convert to fraction form
    501,303.68/751,945.80 = 122,225.84/x
  3. Step 3: Cross multiply
    501,303.68x = 751,945.80 × 122,225.84
  4. Step 4: Simplify right side
    501,303.68x = 91,907,207,039.47
  5. Step 5: Solve for x
    x = 91,907,207,039.47/501,303.68
  6. Step 6: Final answer
    x = 183,336.39

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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.