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Finding the Fourth Proportional to 330,301.80, 495,452.70 and 235,823.40

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Solution

The fourth proportional to 330,301.80, 495,452.70 and 235,823.40 is: 353,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,301.80 : 495,452.70 = 235,823.40 : x
  2. Step 2: Convert to fraction form
    330,301.80/495,452.70 = 235,823.40/x
  3. Step 3: Cross multiply
    330,301.80x = 495,452.70 × 235,823.40
  4. Step 4: Simplify right side
    330,301.80x = 116,839,340,253.18
  5. Step 5: Solve for x
    x = 116,839,340,253.18/330,301.80
  6. Step 6: Final answer
    x = 353,735.10

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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.