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Finding the Fourth Proportional to 425,457.28, 637,584.36 and 236,001.25

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Solution

The fourth proportional to 425,457.28, 637,584.36 and 236,001.25 is: 353,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,457.28 : 637,584.36 = 236,001.25 : x
  2. Step 2: Convert to fraction form
    425,457.28/637,584.36 = 236,001.25/x
  3. Step 3: Cross multiply
    425,457.28x = 637,584.36 × 236,001.25
  4. Step 4: Simplify right side
    425,457.28x = 150,470,705,940.45
  5. Step 5: Solve for x
    x = 150,470,705,940.45/425,457.28
  6. Step 6: Final answer
    x = 353,668.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.