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Finding the Fourth Proportional to 446,814.60, 616,183.90 and 344,678.55

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Solution

The fourth proportional to 446,814.60, 616,183.90 and 344,678.55 is: 475,332.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,814.60 : 616,183.90 = 344,678.55 : x
  2. Step 2: Convert to fraction form
    446,814.60/616,183.90 = 344,678.55/x
  3. Step 3: Cross multiply
    446,814.60x = 616,183.90 × 344,678.55
  4. Step 4: Simplify right side
    446,814.60x = 212,385,373,185.35
  5. Step 5: Solve for x
    x = 212,385,373,185.35/446,814.60
  6. Step 6: Final answer
    x = 475,332.21

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1.5x scale

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.