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Finding the Fourth Proportional to 450,662.94, 676,121.58 and 225,751.86

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Solution

The fourth proportional to 450,662.94, 676,121.58 and 225,751.86 is: 338,691.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,662.94 : 676,121.58 = 225,751.86 : x
  2. Step 2: Convert to fraction form
    450,662.94/676,121.58 = 225,751.86/x
  3. Step 3: Cross multiply
    450,662.94x = 676,121.58 × 225,751.86
  4. Step 4: Simplify right side
    450,662.94x = 152,635,704,271.14
  5. Step 5: Solve for x
    x = 152,635,704,271.14/450,662.94
  6. Step 6: Final answer
    x = 338,691.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.