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Finding the Fourth Proportional to 301,660.20, 416,363.58 and 172,673.45

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Solution

The fourth proportional to 301,660.20, 416,363.58 and 172,673.45 is: 238,330.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,660.20 : 416,363.58 = 172,673.45 : x
  2. Step 2: Convert to fraction form
    301,660.20/416,363.58 = 172,673.45/x
  3. Step 3: Cross multiply
    301,660.20x = 416,363.58 × 172,673.45
  4. Step 4: Simplify right side
    301,660.20x = 71,894,933,731.13
  5. Step 5: Solve for x
    x = 71,894,933,731.13/301,660.20
  6. Step 6: Final answer
    x = 238,330.86

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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.