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Finding the Fourth Proportional to 350,683.60, 525,636.60 and 193,025.20

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Solution

The fourth proportional to 350,683.60, 525,636.60 and 193,025.20 is: 289,323.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,683.60 : 525,636.60 = 193,025.20 : x
  2. Step 2: Convert to fraction form
    350,683.60/525,636.60 = 193,025.20/x
  3. Step 3: Cross multiply
    350,683.60x = 525,636.60 × 193,025.20
  4. Step 4: Simplify right side
    350,683.60x = 101,461,109,842.32
  5. Step 5: Solve for x
    x = 101,461,109,842.32/350,683.60
  6. Step 6: Final answer
    x = 289,323.79

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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.