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Finding the Fourth Proportional to 415,521.00, 573,321.30 and 252,173.88

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Solution

The fourth proportional to 415,521.00, 573,321.30 and 252,173.88 is: 347,940.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,521.00 : 573,321.30 = 252,173.88 : x
  2. Step 2: Convert to fraction form
    415,521.00/573,321.30 = 252,173.88/x
  3. Step 3: Cross multiply
    415,521.00x = 573,321.30 × 252,173.88
  4. Step 4: Simplify right side
    415,521.00x = 144,576,657,338.08
  5. Step 5: Solve for x
    x = 144,576,657,338.08/415,521.00
  6. Step 6: Final answer
    x = 347,940.68

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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.