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Finding the Fourth Proportional to 538,493.88, 743,248.19 and 334,698.72

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Solution

The fourth proportional to 538,493.88, 743,248.19 and 334,698.72 is: 461,962.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,493.88 : 743,248.19 = 334,698.72 : x
  2. Step 2: Convert to fraction form
    538,493.88/743,248.19 = 334,698.72/x
  3. Step 3: Cross multiply
    538,493.88x = 743,248.19 × 334,698.72
  4. Step 4: Simplify right side
    538,493.88x = 248,764,215,884.88
  5. Step 5: Solve for x
    x = 248,764,215,884.88/538,493.88
  6. Step 6: Final answer
    x = 461,962.94

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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.