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Finding the Fourth Proportional to 250,288.91, 345,303.39 and 185,034.41

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Solution

The fourth proportional to 250,288.91, 345,303.39 and 185,034.41 is: 255,277.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,288.91 : 345,303.39 = 185,034.41 : x
  2. Step 2: Convert to fraction form
    250,288.91/345,303.39 = 185,034.41/x
  3. Step 3: Cross multiply
    250,288.91x = 345,303.39 × 185,034.41
  4. Step 4: Simplify right side
    250,288.91x = 63,893,010,498.44
  5. Step 5: Solve for x
    x = 63,893,010,498.44/250,288.91
  6. Step 6: Final answer
    x = 255,277.03

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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.