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Finding the Fourth Proportional to 350,673.60, 525,664.80 and 173,035.20

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Solution

The fourth proportional to 350,673.60, 525,664.80 and 173,035.20 is: 259,382.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,673.60 : 525,664.80 = 173,035.20 : x
  2. Step 2: Convert to fraction form
    350,673.60/525,664.80 = 173,035.20/x
  3. Step 3: Cross multiply
    350,673.60x = 525,664.80 × 173,035.20
  4. Step 4: Simplify right side
    350,673.60x = 90,958,513,800.96
  5. Step 5: Solve for x
    x = 90,958,513,800.96/350,673.60
  6. Step 6: Final answer
    x = 259,382.27

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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.