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Finding the Fourth Proportional to 316,594.96, 436,896.69 and 173,355.01

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Solution

The fourth proportional to 316,594.96, 436,896.69 and 173,355.01 is: 239,227.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,594.96 : 436,896.69 = 173,355.01 : x
  2. Step 2: Convert to fraction form
    316,594.96/436,896.69 = 173,355.01/x
  3. Step 3: Cross multiply
    316,594.96x = 436,896.69 × 173,355.01
  4. Step 4: Simplify right side
    316,594.96x = 75,738,230,063.92
  5. Step 5: Solve for x
    x = 75,738,230,063.92/316,594.96
  6. Step 6: Final answer
    x = 239,227.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.