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Finding the Fourth Proportional to 395,884.24, 546,313.54 and 223,799.53

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Solution

The fourth proportional to 395,884.24, 546,313.54 and 223,799.53 is: 308,839.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,884.24 : 546,313.54 = 223,799.53 : x
  2. Step 2: Convert to fraction form
    395,884.24/546,313.54 = 223,799.53/x
  3. Step 3: Cross multiply
    395,884.24x = 546,313.54 × 223,799.53
  4. Step 4: Simplify right side
    395,884.24x = 122,264,713,484.64
  5. Step 5: Solve for x
    x = 122,264,713,484.64/395,884.24
  6. Step 6: Final answer
    x = 308,839.56

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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.