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Finding the Fourth Proportional to 323,812.35, 485,858.12 and 173,877.30

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Solution

The fourth proportional to 323,812.35, 485,858.12 and 173,877.30 is: 260,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,812.35 : 485,858.12 = 173,877.30 : x
  2. Step 2: Convert to fraction form
    323,812.35/485,858.12 = 173,877.30/x
  3. Step 3: Cross multiply
    323,812.35x = 485,858.12 × 173,877.30
  4. Step 4: Simplify right side
    323,812.35x = 84,479,697,219.29
  5. Step 5: Solve for x
    x = 84,479,697,219.29/323,812.35
  6. Step 6: Final answer
    x = 260,890.91

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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.