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Finding the Fourth Proportional to 323,801.70, 485,702.55 and 235,673.70

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Solution

The fourth proportional to 323,801.70, 485,702.55 and 235,673.70 is: 353,510.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,801.70 : 485,702.55 = 235,673.70 : x
  2. Step 2: Convert to fraction form
    323,801.70/485,702.55 = 235,673.70/x
  3. Step 3: Cross multiply
    323,801.70x = 485,702.55 × 235,673.70
  4. Step 4: Simplify right side
    323,801.70x = 114,467,317,057.94
  5. Step 5: Solve for x
    x = 114,467,317,057.94/323,801.70
  6. Step 6: Final answer
    x = 353,510.55

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1.5x scale

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.