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Finding the Fourth Proportional to 496,818, 685,610.46 and 270,465.12

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Solution

The fourth proportional to 496,818, 685,610.46 and 270,465.12 is: 373,242.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,818 : 685,610.46 = 270,465.12 : x
  2. Step 2: Convert to fraction form
    496,818/685,610.46 = 270,465.12/x
  3. Step 3: Cross multiply
    496,818x = 685,610.46 × 270,465.12
  4. Step 4: Simplify right side
    496,818x = 185,433,715,337.16
  5. Step 5: Solve for x
    x = 185,433,715,337.16/496,818
  6. Step 6: Final answer
    x = 373,242.75

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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.