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Finding the Fourth Proportional to 301,936.79, 416,673.63 and 172,877.24

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Solution

The fourth proportional to 301,936.79, 416,673.63 and 172,877.24 is: 238,571.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,936.79 : 416,673.63 = 172,877.24 : x
  2. Step 2: Convert to fraction form
    301,936.79/416,673.63 = 172,877.24/x
  3. Step 3: Cross multiply
    301,936.79x = 416,673.63 × 172,877.24
  4. Step 4: Simplify right side
    301,936.79x = 72,033,385,661.30
  5. Step 5: Solve for x
    x = 72,033,385,661.30/301,936.79
  6. Step 6: Final answer
    x = 238,571.08

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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.