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Finding the Fourth Proportional to 207,374.60, 310,673.10 and 193,377.80

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Solution

The fourth proportional to 207,374.60, 310,673.10 and 193,377.80 is: 289,704.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,374.60 : 310,673.10 = 193,377.80 : x
  2. Step 2: Convert to fraction form
    207,374.60/310,673.10 = 193,377.80/x
  3. Step 3: Cross multiply
    207,374.60x = 310,673.10 × 193,377.80
  4. Step 4: Simplify right side
    207,374.60x = 60,077,280,597.18
  5. Step 5: Solve for x
    x = 60,077,280,597.18/207,374.60
  6. Step 6: Final answer
    x = 289,704.14

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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.