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Finding the Fourth Proportional to 558,152.54, 770,157.14 and 328,755.51

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Solution

The fourth proportional to 558,152.54, 770,157.14 and 328,755.51 is: 453,627.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,152.54 : 770,157.14 = 328,755.51 : x
  2. Step 2: Convert to fraction form
    558,152.54/770,157.14 = 328,755.51/x
  3. Step 3: Cross multiply
    558,152.54x = 770,157.14 × 328,755.51
  4. Step 4: Simplify right side
    558,152.54x = 253,193,401,697.06
  5. Step 5: Solve for x
    x = 253,193,401,697.06/558,152.54
  6. Step 6: Final answer
    x = 453,627.61

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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.