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Finding the Fourth Proportional to 447,425.28, 671,798.88 and 298,592.64

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Solution

The fourth proportional to 447,425.28, 671,798.88 and 298,592.64 is: 448,330.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,425.28 : 671,798.88 = 298,592.64 : x
  2. Step 2: Convert to fraction form
    447,425.28/671,798.88 = 298,592.64/x
  3. Step 3: Cross multiply
    447,425.28x = 671,798.88 × 298,592.64
  4. Step 4: Simplify right side
    447,425.28x = 200,594,201,128.24
  5. Step 5: Solve for x
    x = 200,594,201,128.24/447,425.28
  6. Step 6: Final answer
    x = 448,330.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.