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Finding the Fourth Proportional to 496,756.50, 685,524.06 and 270,402

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Solution

The fourth proportional to 496,756.50, 685,524.06 and 270,402 is: 373,154.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,756.50 : 685,524.06 = 270,402 : x
  2. Step 2: Convert to fraction form
    496,756.50/685,524.06 = 270,402/x
  3. Step 3: Cross multiply
    496,756.50x = 685,524.06 × 270,402
  4. Step 4: Simplify right side
    496,756.50x = 185,367,076,872.12
  5. Step 5: Solve for x
    x = 185,367,076,872.12/496,756.50
  6. Step 6: Final answer
    x = 373,154.81

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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.