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Finding the Fourth Proportional to 329,007.60, 492,636.60 and 210,034.80

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Solution

The fourth proportional to 329,007.60, 492,636.60 and 210,034.80 is: 314,493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,007.60 : 492,636.60 = 210,034.80 : x
  2. Step 2: Convert to fraction form
    329,007.60/492,636.60 = 210,034.80/x
  3. Step 3: Cross multiply
    329,007.60x = 492,636.60 × 210,034.80
  4. Step 4: Simplify right side
    329,007.60x = 103,470,829,753.68
  5. Step 5: Solve for x
    x = 103,470,829,753.68/329,007.60
  6. Step 6: Final answer
    x = 314,493.74

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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.