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Finding the Fourth Proportional to 495,488, 683,785.92 and 269,133.44

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Solution

The fourth proportional to 495,488, 683,785.92 and 269,133.44 is: 371,410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,488 : 683,785.92 = 269,133.44 : x
  2. Step 2: Convert to fraction form
    495,488/683,785.92 = 269,133.44/x
  3. Step 3: Cross multiply
    495,488x = 683,785.92 × 269,133.44
  4. Step 4: Simplify right side
    495,488x = 184,029,656,873.17
  5. Step 5: Solve for x
    x = 184,029,656,873.17/495,488
  6. Step 6: Final answer
    x = 371,410.93

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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.