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Finding the Fourth Proportional to 307,038.92, 460,620.46 and 129,546.36

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Solution

The fourth proportional to 307,038.92, 460,620.46 and 129,546.36 is: 194,345.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,038.92 : 460,620.46 = 129,546.36 : x
  2. Step 2: Convert to fraction form
    307,038.92/460,620.46 = 129,546.36/x
  3. Step 3: Cross multiply
    307,038.92x = 460,620.46 × 129,546.36
  4. Step 4: Simplify right side
    307,038.92x = 59,671,703,934.53
  5. Step 5: Solve for x
    x = 59,671,703,934.53/307,038.92
  6. Step 6: Final answer
    x = 194,345.73

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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.