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Finding the Fourth Proportional to 478,546.63, 717,944.55 and 179,050.63

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Solution

The fourth proportional to 478,546.63, 717,944.55 and 179,050.63 is: 268,622.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,546.63 : 717,944.55 = 179,050.63 : x
  2. Step 2: Convert to fraction form
    478,546.63/717,944.55 = 179,050.63/x
  3. Step 3: Cross multiply
    478,546.63x = 717,944.55 × 179,050.63
  4. Step 4: Simplify right side
    478,546.63x = 128,548,423,982.57
  5. Step 5: Solve for x
    x = 128,548,423,982.57/478,546.63
  6. Step 6: Final answer
    x = 268,622.57

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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.