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Finding the Fourth Proportional to 330,326.10, 495,489.15 and 246,673.35

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Solution

The fourth proportional to 330,326.10, 495,489.15 and 246,673.35 is: 370,010.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,326.10 : 495,489.15 = 246,673.35 : x
  2. Step 2: Convert to fraction form
    330,326.10/495,489.15 = 246,673.35/x
  3. Step 3: Cross multiply
    330,326.10x = 495,489.15 × 246,673.35
  4. Step 4: Simplify right side
    330,326.10x = 122,223,968,519.15
  5. Step 5: Solve for x
    x = 122,223,968,519.15/330,326.10
  6. Step 6: Final answer
    x = 370,010.03

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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.