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Finding the Fourth Proportional to 510,455.08, 765,703.75 and 150,625.94

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Solution

The fourth proportional to 510,455.08, 765,703.75 and 150,625.94 is: 225,945.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,455.08 : 765,703.75 = 150,625.94 : x
  2. Step 2: Convert to fraction form
    510,455.08/765,703.75 = 150,625.94/x
  3. Step 3: Cross multiply
    510,455.08x = 765,703.75 × 150,625.94
  4. Step 4: Simplify right side
    510,455.08x = 115,334,843,276.76
  5. Step 5: Solve for x
    x = 115,334,843,276.76/510,455.08
  6. Step 6: Final answer
    x = 225,945.14

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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.