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Finding the Fourth Proportional to 316,544.52, 436,814.84 and 173,277.12

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Solution

The fourth proportional to 316,544.52, 436,814.84 and 173,277.12 is: 239,113.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,544.52 : 436,814.84 = 173,277.12 : x
  2. Step 2: Convert to fraction form
    316,544.52/436,814.84 = 173,277.12/x
  3. Step 3: Cross multiply
    316,544.52x = 436,814.84 × 173,277.12
  4. Step 4: Simplify right side
    316,544.52x = 75,690,017,448.46
  5. Step 5: Solve for x
    x = 75,690,017,448.46/316,544.52
  6. Step 6: Final answer
    x = 239,113.34

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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.