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Finding the Fourth Proportional to 437,984.88, 604,419.74 and 236,780.88

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Solution

The fourth proportional to 437,984.88, 604,419.74 and 236,780.88 is: 326,757.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,984.88 : 604,419.74 = 236,780.88 : x
  2. Step 2: Convert to fraction form
    437,984.88/604,419.74 = 236,780.88/x
  3. Step 3: Cross multiply
    437,984.88x = 604,419.74 × 236,780.88
  4. Step 4: Simplify right side
    437,984.88x = 143,115,037,926.57
  5. Step 5: Solve for x
    x = 143,115,037,926.57/437,984.88
  6. Step 6: Final answer
    x = 326,757.94

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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.