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Finding the Fourth Proportional to 330,484.50, 495,725.54 and 93,827.21

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Solution

The fourth proportional to 330,484.50, 495,725.54 and 93,827.21 is: 140,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,484.50 : 495,725.54 = 93,827.21 : x
  2. Step 2: Convert to fraction form
    330,484.50/495,725.54 = 93,827.21/x
  3. Step 3: Cross multiply
    330,484.50x = 495,725.54 × 93,827.21
  4. Step 4: Simplify right side
    330,484.50x = 46,512,541,396.18
  5. Step 5: Solve for x
    x = 46,512,541,396.18/330,484.50
  6. Step 6: Final answer
    x = 140,740.46

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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.