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Finding the Fourth Proportional to 337,323.30, 505,912.05 and 147,783.30

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Solution

The fourth proportional to 337,323.30, 505,912.05 and 147,783.30 is: 221,643.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,323.30 : 505,912.05 = 147,783.30 : x
  2. Step 2: Convert to fraction form
    337,323.30/505,912.05 = 147,783.30/x
  3. Step 3: Cross multiply
    337,323.30x = 505,912.05 × 147,783.30
  4. Step 4: Simplify right side
    337,323.30x = 74,765,352,258.77
  5. Step 5: Solve for x
    x = 74,765,352,258.77/337,323.30
  6. Step 6: Final answer
    x = 221,643.01

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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.