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Finding the Fourth Proportional to 473,170.20, 710,419.59 and 451,745.70

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Solution

The fourth proportional to 473,170.20, 710,419.59 and 451,745.70 is: 678,252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,170.20 : 710,419.59 = 451,745.70 : x
  2. Step 2: Convert to fraction form
    473,170.20/710,419.59 = 451,745.70/x
  3. Step 3: Cross multiply
    473,170.20x = 710,419.59 × 451,745.70
  4. Step 4: Simplify right side
    473,170.20x = 320,928,994,978.26
  5. Step 5: Solve for x
    x = 320,928,994,978.26/473,170.20
  6. Step 6: Final answer
    x = 678,252.76

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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.