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Finding the Fourth Proportional to 492,079.90, 737,536.65 and 255,300.70

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Solution

The fourth proportional to 492,079.90, 737,536.65 and 255,300.70 is: 382,648.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,079.90 : 737,536.65 = 255,300.70 : x
  2. Step 2: Convert to fraction form
    492,079.90/737,536.65 = 255,300.70/x
  3. Step 3: Cross multiply
    492,079.90x = 737,536.65 × 255,300.70
  4. Step 4: Simplify right side
    492,079.90x = 188,293,623,020.66
  5. Step 5: Solve for x
    x = 188,293,623,020.66/492,079.90
  6. Step 6: Final answer
    x = 382,648.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.