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Finding the Fourth Proportional to 552,416.93, 762,221.04 and 322,929.86

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Solution

The fourth proportional to 552,416.93, 762,221.04 and 322,929.86 is: 445,576.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,416.93 : 762,221.04 = 322,929.86 : x
  2. Step 2: Convert to fraction form
    552,416.93/762,221.04 = 322,929.86/x
  3. Step 3: Cross multiply
    552,416.93x = 762,221.04 × 322,929.86
  4. Step 4: Simplify right side
    552,416.93x = 246,143,928,714.16
  5. Step 5: Solve for x
    x = 246,143,928,714.16/552,416.93
  6. Step 6: Final answer
    x = 445,576.37

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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.