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Finding the Fourth Proportional to 872,894.89, 1,204,414.32 and 510,248.62

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Solution

The fourth proportional to 872,894.89, 1,204,414.32 and 510,248.62 is: 704,037.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,894.89 : 1,204,414.32 = 510,248.62 : x
  2. Step 2: Convert to fraction form
    872,894.89/1,204,414.32 = 510,248.62/x
  3. Step 3: Cross multiply
    872,894.89x = 1,204,414.32 × 510,248.62
  4. Step 4: Simplify right side
    872,894.89x = 614,550,744,688.24
  5. Step 5: Solve for x
    x = 614,550,744,688.24/872,894.89
  6. Step 6: Final answer
    x = 704,037.51

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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.