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Finding the Fourth Proportional to 528,453.96, 793,334.31 and 500,553.30

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Solution

The fourth proportional to 528,453.96, 793,334.31 and 500,553.30 is: 751,448.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,453.96 : 793,334.31 = 500,553.30 : x
  2. Step 2: Convert to fraction form
    528,453.96/793,334.31 = 500,553.30/x
  3. Step 3: Cross multiply
    528,453.96x = 793,334.31 × 500,553.30
  4. Step 4: Simplify right side
    528,453.96x = 397,106,106,873.72
  5. Step 5: Solve for x
    x = 397,106,106,873.72/528,453.96
  6. Step 6: Final answer
    x = 751,448.82

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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.