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Finding the Fourth Proportional to 350,145.60, 525,801.60 and 192,487.20

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Solution

The fourth proportional to 350,145.60, 525,801.60 and 192,487.20 is: 289,051.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,145.60 : 525,801.60 = 192,487.20 : x
  2. Step 2: Convert to fraction form
    350,145.60/525,801.60 = 192,487.20/x
  3. Step 3: Cross multiply
    350,145.60x = 525,801.60 × 192,487.20
  4. Step 4: Simplify right side
    350,145.60x = 101,210,077,739.52
  5. Step 5: Solve for x
    x = 101,210,077,739.52/350,145.60
  6. Step 6: Final answer
    x = 289,051.41

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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.