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Finding the Fourth Proportional to 495,537.98, 683,679.78 and 277,714.83

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Solution

The fourth proportional to 495,537.98, 683,679.78 and 277,714.83 is: 383,155.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,537.98 : 683,679.78 = 277,714.83 : x
  2. Step 2: Convert to fraction form
    495,537.98/683,679.78 = 277,714.83/x
  3. Step 3: Cross multiply
    495,537.98x = 683,679.78 × 277,714.83
  4. Step 4: Simplify right side
    495,537.98x = 189,868,012,204.69
  5. Step 5: Solve for x
    x = 189,868,012,204.69/495,537.98
  6. Step 6: Final answer
    x = 383,155.32

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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.