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Finding the Fourth Proportional to 445,992.26, 615,469.64 and 242,043.13

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Solution

The fourth proportional to 445,992.26, 615,469.64 and 242,043.13 is: 334,019.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,992.26 : 615,469.64 = 242,043.13 : x
  2. Step 2: Convert to fraction form
    445,992.26/615,469.64 = 242,043.13/x
  3. Step 3: Cross multiply
    445,992.26x = 615,469.64 × 242,043.13
  4. Step 4: Simplify right side
    445,992.26x = 148,970,194,636.51
  5. Step 5: Solve for x
    x = 148,970,194,636.51/445,992.26
  6. Step 6: Final answer
    x = 334,019.69

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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.