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Finding the Fourth Proportional to 307,230.40, 460,910.40 and 96,889.60

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Solution

The fourth proportional to 307,230.40, 460,910.40 and 96,889.60 is: 145,354.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,230.40 : 460,910.40 = 96,889.60 : x
  2. Step 2: Convert to fraction form
    307,230.40/460,910.40 = 96,889.60/x
  3. Step 3: Cross multiply
    307,230.40x = 460,910.40 × 96,889.60
  4. Step 4: Simplify right side
    307,230.40x = 44,657,424,291.84
  5. Step 5: Solve for x
    x = 44,657,424,291.84/307,230.40
  6. Step 6: Final answer
    x = 145,354.84

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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.