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Finding the Fourth Proportional to 446,864.64, 616,636.52 and 263,074.02

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Solution

The fourth proportional to 446,864.64, 616,636.52 and 263,074.02 is: 363,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,864.64 : 616,636.52 = 263,074.02 : x
  2. Step 2: Convert to fraction form
    446,864.64/616,636.52 = 263,074.02/x
  3. Step 3: Cross multiply
    446,864.64x = 616,636.52 × 263,074.02
  4. Step 4: Simplify right side
    446,864.64x = 162,221,048,195.21
  5. Step 5: Solve for x
    x = 162,221,048,195.21/446,864.64
  6. Step 6: Final answer
    x = 363,020.55

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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.