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Finding the Fourth Proportional to 616,786.49, 850,907.42 and 480,583.92

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Solution

The fourth proportional to 616,786.49, 850,907.42 and 480,583.92 is: 663,004.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,786.49 : 850,907.42 = 480,583.92 : x
  2. Step 2: Convert to fraction form
    616,786.49/850,907.42 = 480,583.92/x
  3. Step 3: Cross multiply
    616,786.49x = 850,907.42 × 480,583.92
  4. Step 4: Simplify right side
    616,786.49x = 408,932,423,460.69
  5. Step 5: Solve for x
    x = 408,932,423,460.69/616,786.49
  6. Step 6: Final answer
    x = 663,004.83

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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.