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Finding the Fourth Proportional to 616,785.49, 850,906.04 and 480,582.92

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Solution

The fourth proportional to 616,785.49, 850,906.04 and 480,582.92 is: 663,003.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,785.49 : 850,906.04 = 480,582.92 : x
  2. Step 2: Convert to fraction form
    616,785.49/850,906.04 = 480,582.92/x
  3. Step 3: Cross multiply
    616,785.49x = 850,906.04 × 480,582.92
  4. Step 4: Simplify right side
    616,785.49x = 408,930,910,424.83
  5. Step 5: Solve for x
    x = 408,930,910,424.83/616,785.49
  6. Step 6: Final answer
    x = 663,003.46

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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.