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Finding the Fourth Proportional to 350,646.44, 525,966.42 and 151,107.80

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Solution

The fourth proportional to 350,646.44, 525,966.42 and 151,107.80 is: 226,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,646.44 : 525,966.42 = 151,107.80 : x
  2. Step 2: Convert to fraction form
    350,646.44/525,966.42 = 151,107.80/x
  3. Step 3: Cross multiply
    350,646.44x = 525,966.42 × 151,107.80
  4. Step 4: Simplify right side
    350,646.44x = 79,477,628,600.08
  5. Step 5: Solve for x
    x = 79,477,628,600.08/350,646.44
  6. Step 6: Final answer
    x = 226,660.30

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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.