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Finding the Fourth Proportional to 552,205.40, 828,308.10 and 494,468.60

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Solution

The fourth proportional to 552,205.40, 828,308.10 and 494,468.60 is: 741,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,205.40 : 828,308.10 = 494,468.60 : x
  2. Step 2: Convert to fraction form
    552,205.40/828,308.10 = 494,468.60/x
  3. Step 3: Cross multiply
    552,205.40x = 828,308.10 × 494,468.60
  4. Step 4: Simplify right side
    552,205.40x = 409,572,346,575.66
  5. Step 5: Solve for x
    x = 409,572,346,575.66/552,205.40
  6. Step 6: Final answer
    x = 741,702.90

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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.