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Finding the Fourth Proportional to 315,594.56, 473,396.04 and 105,232.60

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Solution

The fourth proportional to 315,594.56, 473,396.04 and 105,232.60 is: 157,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,594.56 : 473,396.04 = 105,232.60 : x
  2. Step 2: Convert to fraction form
    315,594.56/473,396.04 = 105,232.60/x
  3. Step 3: Cross multiply
    315,594.56x = 473,396.04 × 105,232.60
  4. Step 4: Simplify right side
    315,594.56x = 49,816,696,118.90
  5. Step 5: Solve for x
    x = 49,816,696,118.90/315,594.56
  6. Step 6: Final answer
    x = 157,850.30

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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.