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Finding the Fourth Proportional to 495,297.86, 683,530.63 and 277,508.41

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Solution

The fourth proportional to 495,297.86, 683,530.63 and 277,508.41 is: 382,972.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,297.86 : 683,530.63 = 277,508.41 : x
  2. Step 2: Convert to fraction form
    495,297.86/683,530.63 = 277,508.41/x
  3. Step 3: Cross multiply
    495,297.86x = 683,530.63 × 277,508.41
  4. Step 4: Simplify right side
    495,297.86x = 189,685,501,320.85
  5. Step 5: Solve for x
    x = 189,685,501,320.85/495,297.86
  6. Step 6: Final answer
    x = 382,972.59

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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.