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Finding the Fourth Proportional to 495,597.96, 683,979.93 and 277,827.57

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Solution

The fourth proportional to 495,597.96, 683,979.93 and 277,827.57 is: 383,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,597.96 : 683,979.93 = 277,827.57 : x
  2. Step 2: Convert to fraction form
    495,597.96/683,979.93 = 277,827.57/x
  3. Step 3: Cross multiply
    495,597.96x = 683,979.93 × 277,827.57
  4. Step 4: Simplify right side
    495,597.96x = 190,028,481,880.67
  5. Step 5: Solve for x
    x = 190,028,481,880.67/495,597.96
  6. Step 6: Final answer
    x = 383,432.74

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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.