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Finding the Fourth Proportional to 350,168.40, 525,252.60 and 312,114.60

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Solution

The fourth proportional to 350,168.40, 525,252.60 and 312,114.60 is: 468,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,168.40 : 525,252.60 = 312,114.60 : x
  2. Step 2: Convert to fraction form
    350,168.40/525,252.60 = 312,114.60/x
  3. Step 3: Cross multiply
    350,168.40x = 525,252.60 × 312,114.60
  4. Step 4: Simplify right side
    350,168.40x = 163,939,005,147.96
  5. Step 5: Solve for x
    x = 163,939,005,147.96/350,168.40
  6. Step 6: Final answer
    x = 468,171.90

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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.