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Finding the Fourth Proportional to 307,647.60, 460,974.60 and 174,130.80

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Solution

The fourth proportional to 307,647.60, 460,974.60 and 174,130.80 is: 260,915.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,647.60 : 460,974.60 = 174,130.80 : x
  2. Step 2: Convert to fraction form
    307,647.60/460,974.60 = 174,130.80/x
  3. Step 3: Cross multiply
    307,647.60x = 460,974.60 × 174,130.80
  4. Step 4: Simplify right side
    307,647.60x = 80,269,875,877.68
  5. Step 5: Solve for x
    x = 80,269,875,877.68/307,647.60
  6. Step 6: Final answer
    x = 260,915.01

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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.