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Finding the Fourth Proportional to 519,004.35, 778,416.75 and 234,628.77

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Solution

The fourth proportional to 519,004.35, 778,416.75 and 234,628.77 is: 351,902.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,004.35 : 778,416.75 = 234,628.77 : x
  2. Step 2: Convert to fraction form
    519,004.35/778,416.75 = 234,628.77/x
  3. Step 3: Cross multiply
    519,004.35x = 778,416.75 × 234,628.77
  4. Step 4: Simplify right side
    519,004.35x = 182,638,964,599.90
  5. Step 5: Solve for x
    x = 182,638,964,599.90/519,004.35
  6. Step 6: Final answer
    x = 351,902.57

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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.