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Finding the Fourth Proportional to 492,062.60, 738,093.90 and 314,769.80

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Solution

The fourth proportional to 492,062.60, 738,093.90 and 314,769.80 is: 472,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,062.60 : 738,093.90 = 314,769.80 : x
  2. Step 2: Convert to fraction form
    492,062.60/738,093.90 = 314,769.80/x
  3. Step 3: Cross multiply
    492,062.60x = 738,093.90 × 314,769.80
  4. Step 4: Simplify right side
    492,062.60x = 232,329,669,284.22
  5. Step 5: Solve for x
    x = 232,329,669,284.22/492,062.60
  6. Step 6: Final answer
    x = 472,154.70

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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.