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Finding the Fourth Proportional to 528,969.60, 793,571.04 and 173,969.28

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Solution

The fourth proportional to 528,969.60, 793,571.04 and 173,969.28 is: 260,992.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,969.60 : 793,571.04 = 173,969.28 : x
  2. Step 2: Convert to fraction form
    528,969.60/793,571.04 = 173,969.28/x
  3. Step 3: Cross multiply
    528,969.60x = 793,571.04 × 173,969.28
  4. Step 4: Simplify right side
    528,969.60x = 138,056,982,457.65
  5. Step 5: Solve for x
    x = 138,056,982,457.65/528,969.60
  6. Step 6: Final answer
    x = 260,992.28

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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.