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Finding the Fourth Proportional to 445,746.80, 614,980.98 and 254,624.88

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Solution

The fourth proportional to 445,746.80, 614,980.98 and 254,624.88 is: 351,296.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,746.80 : 614,980.98 = 254,624.88 : x
  2. Step 2: Convert to fraction form
    445,746.80/614,980.98 = 254,624.88/x
  3. Step 3: Cross multiply
    445,746.80x = 614,980.98 × 254,624.88
  4. Step 4: Simplify right side
    445,746.80x = 156,589,458,234.78
  5. Step 5: Solve for x
    x = 156,589,458,234.78/445,746.80
  6. Step 6: Final answer
    x = 351,296.88

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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.