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Finding the Fourth Proportional to 307,065.48, 460,598.20 and 119,945.76

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Solution

The fourth proportional to 307,065.48, 460,598.20 and 119,945.76 is: 179,918.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,065.48 : 460,598.20 = 119,945.76 : x
  2. Step 2: Convert to fraction form
    307,065.48/460,598.20 = 119,945.76/x
  3. Step 3: Cross multiply
    307,065.48x = 460,598.20 × 119,945.76
  4. Step 4: Simplify right side
    307,065.48x = 55,246,801,153.63
  5. Step 5: Solve for x
    x = 55,246,801,153.63/307,065.48
  6. Step 6: Final answer
    x = 179,918.63

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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.