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Finding the Fourth Proportional to 323,289.04, 445,676.16 and 227,498.08

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Solution

The fourth proportional to 323,289.04, 445,676.16 and 227,498.08 is: 313,621.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,289.04 : 445,676.16 = 227,498.08 : x
  2. Step 2: Convert to fraction form
    323,289.04/445,676.16 = 227,498.08/x
  3. Step 3: Cross multiply
    323,289.04x = 445,676.16 × 227,498.08
  4. Step 4: Simplify right side
    323,289.04x = 101,390,470,701.77
  5. Step 5: Solve for x
    x = 101,390,470,701.77/323,289.04
  6. Step 6: Final answer
    x = 313,621.74

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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.