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Finding the Fourth Proportional to 401,592.93, 554,193.09 and 229,508.97

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Solution

The fourth proportional to 401,592.93, 554,193.09 and 229,508.97 is: 316,719.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,592.93 : 554,193.09 = 229,508.97 : x
  2. Step 2: Convert to fraction form
    401,592.93/554,193.09 = 229,508.97/x
  3. Step 3: Cross multiply
    401,592.93x = 554,193.09 × 229,508.97
  4. Step 4: Simplify right side
    401,592.93x = 127,192,285,267.02
  5. Step 5: Solve for x
    x = 127,192,285,267.02/401,592.93
  6. Step 6: Final answer
    x = 316,719.43

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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.