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Finding the Fourth Proportional to 495,574.80, 683,894.04 and 269,220.48

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Solution

The fourth proportional to 495,574.80, 683,894.04 and 269,220.48 is: 371,524.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,574.80 : 683,894.04 = 269,220.48 : x
  2. Step 2: Convert to fraction form
    495,574.80/683,894.04 = 269,220.48/x
  3. Step 3: Cross multiply
    495,574.80x = 683,894.04 × 269,220.48
  4. Step 4: Simplify right side
    495,574.80x = 184,118,281,717.94
  5. Step 5: Solve for x
    x = 184,118,281,717.94/495,574.80
  6. Step 6: Final answer
    x = 371,524.71

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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.