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Finding the Fourth Proportional to 330,351.40, 495,527.10 and 325,102.60

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Solution

The fourth proportional to 330,351.40, 495,527.10 and 325,102.60 is: 487,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,351.40 : 495,527.10 = 325,102.60 : x
  2. Step 2: Convert to fraction form
    330,351.40/495,527.10 = 325,102.60/x
  3. Step 3: Cross multiply
    330,351.40x = 495,527.10 × 325,102.60
  4. Step 4: Simplify right side
    330,351.40x = 161,097,148,580.46
  5. Step 5: Solve for x
    x = 161,097,148,580.46/330,351.40
  6. Step 6: Final answer
    x = 487,653.90

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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.