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Finding the Fourth Proportional to 896,358, 1,236,974.04 and 493,950

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Solution

The fourth proportional to 896,358, 1,236,974.04 and 493,950 is: 681,651

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,358 : 1,236,974.04 = 493,950 : x
  2. Step 2: Convert to fraction form
    896,358/1,236,974.04 = 493,950/x
  3. Step 3: Cross multiply
    896,358x = 1,236,974.04 × 493,950
  4. Step 4: Simplify right side
    896,358x = 611,003,327,058
  5. Step 5: Solve for x
    x = 611,003,327,058/896,358
  6. Step 6: Final answer
    x = 681,651

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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.