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Finding the Fourth Proportional to 326,461.01, 450,694.95 and 228,495.03

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Solution

The fourth proportional to 326,461.01, 450,694.95 and 228,495.03 is: 315,448.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,461.01 : 450,694.95 = 228,495.03 : x
  2. Step 2: Convert to fraction form
    326,461.01/450,694.95 = 228,495.03/x
  3. Step 3: Cross multiply
    326,461.01x = 450,694.95 × 228,495.03
  4. Step 4: Simplify right side
    326,461.01x = 102,981,554,979.92
  5. Step 5: Solve for x
    x = 102,981,554,979.92/326,461.01
  6. Step 6: Final answer
    x = 315,448.25

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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.