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Finding the Fourth Proportional to 616,788.34, 850,910.07 and 480,585.83

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Solution

The fourth proportional to 616,788.34, 850,910.07 and 480,585.83 is: 663,007.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,788.34 : 850,910.07 = 480,585.83 : x
  2. Step 2: Convert to fraction form
    616,788.34/850,910.07 = 480,585.83/x
  3. Step 3: Cross multiply
    616,788.34x = 850,910.07 × 480,585.83
  4. Step 4: Simplify right side
    616,788.34x = 408,935,322,984.87
  5. Step 5: Solve for x
    x = 408,935,322,984.87/616,788.34
  6. Step 6: Final answer
    x = 663,007.54

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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.