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Finding the Fourth Proportional to 503,818.85, 695,265.40 and 277,459.49

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Solution

The fourth proportional to 503,818.85, 695,265.40 and 277,459.49 is: 382,891.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,818.85 : 695,265.40 = 277,459.49 : x
  2. Step 2: Convert to fraction form
    503,818.85/695,265.40 = 277,459.49/x
  3. Step 3: Cross multiply
    503,818.85x = 695,265.40 × 277,459.49
  4. Step 4: Simplify right side
    503,818.85x = 192,907,983,298.65
  5. Step 5: Solve for x
    x = 192,907,983,298.65/503,818.85
  6. Step 6: Final answer
    x = 382,891.56

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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.