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Finding the Fourth Proportional to 538,494.08, 743,248.46 and 334,698.90

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Solution

The fourth proportional to 538,494.08, 743,248.46 and 334,698.90 is: 461,963.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,494.08 : 743,248.46 = 334,698.90 : x
  2. Step 2: Convert to fraction form
    538,494.08/743,248.46 = 334,698.90/x
  3. Step 3: Cross multiply
    538,494.08x = 743,248.46 × 334,698.90
  4. Step 4: Simplify right side
    538,494.08x = 248,764,441,988.69
  5. Step 5: Solve for x
    x = 248,764,441,988.69/538,494.08
  6. Step 6: Final answer
    x = 461,963.19

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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.