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Finding the Fourth Proportional to 540,632.54, 746,042.77 and 298,901

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Solution

The fourth proportional to 540,632.54, 746,042.77 and 298,901 is: 412,466.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,632.54 : 746,042.77 = 298,901 : x
  2. Step 2: Convert to fraction form
    540,632.54/746,042.77 = 298,901/x
  3. Step 3: Cross multiply
    540,632.54x = 746,042.77 × 298,901
  4. Step 4: Simplify right side
    540,632.54x = 222,992,929,995.77
  5. Step 5: Solve for x
    x = 222,992,929,995.77/540,632.54
  6. Step 6: Final answer
    x = 412,466.72

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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.