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Finding the Fourth Proportional to 531,776.60, 733,720.38 and 324,992.24

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Solution

The fourth proportional to 531,776.60, 733,720.38 and 324,992.24 is: 448,409.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,776.60 : 733,720.38 = 324,992.24 : x
  2. Step 2: Convert to fraction form
    531,776.60/733,720.38 = 324,992.24/x
  3. Step 3: Cross multiply
    531,776.60x = 733,720.38 × 324,992.24
  4. Step 4: Simplify right side
    531,776.60x = 238,453,429,829.85
  5. Step 5: Solve for x
    x = 238,453,429,829.85/531,776.60
  6. Step 6: Final answer
    x = 448,409.03

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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.