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Finding the Fourth Proportional to 307,125.60, 460,688.46 and 120,005.88

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Solution

The fourth proportional to 307,125.60, 460,688.46 and 120,005.88 is: 180,008.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,125.60 : 460,688.46 = 120,005.88 : x
  2. Step 2: Convert to fraction form
    307,125.60/460,688.46 = 120,005.88/x
  3. Step 3: Cross multiply
    307,125.60x = 460,688.46 × 120,005.88
  4. Step 4: Simplify right side
    307,125.60x = 55,285,324,048.14
  5. Step 5: Solve for x
    x = 55,285,324,048.14/307,125.60
  6. Step 6: Final answer
    x = 180,008.84

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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.