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Finding the Fourth Proportional to 323,567.60, 485,273.64 and 165,714.80

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Solution

The fourth proportional to 323,567.60, 485,273.64 and 165,714.80 is: 248,532.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,567.60 : 485,273.64 = 165,714.80 : x
  2. Step 2: Convert to fraction form
    323,567.60/485,273.64 = 165,714.80/x
  3. Step 3: Cross multiply
    323,567.60x = 485,273.64 × 165,714.80
  4. Step 4: Simplify right side
    323,567.60x = 80,417,024,197.87
  5. Step 5: Solve for x
    x = 80,417,024,197.87/323,567.60
  6. Step 6: Final answer
    x = 248,532.38

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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.