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Finding the Fourth Proportional to 461,501.96, 637,161 and 353,865.20

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Solution

The fourth proportional to 461,501.96, 637,161 and 353,865.20 is: 488,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,501.96 : 637,161 = 353,865.20 : x
  2. Step 2: Convert to fraction form
    461,501.96/637,161 = 353,865.20/x
  3. Step 3: Cross multiply
    461,501.96x = 637,161 × 353,865.20
  4. Step 4: Simplify right side
    461,501.96x = 225,469,104,697.20
  5. Step 5: Solve for x
    x = 225,469,104,697.20/461,501.96
  6. Step 6: Final answer
    x = 488,555.03

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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.