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Finding the Fourth Proportional to 529,087.98, 730,150.86 and 299,692.64

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Solution

The fourth proportional to 529,087.98, 730,150.86 and 299,692.64 is: 413,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,087.98 : 730,150.86 = 299,692.64 : x
  2. Step 2: Convert to fraction form
    529,087.98/730,150.86 = 299,692.64/x
  3. Step 3: Cross multiply
    529,087.98x = 730,150.86 × 299,692.64
  4. Step 4: Simplify right side
    529,087.98x = 218,820,835,180.92
  5. Step 5: Solve for x
    x = 218,820,835,180.92/529,087.98
  6. Step 6: Final answer
    x = 413,581.19

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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.