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Finding the Fourth Proportional to 614,371.34, 921,556.19 and 165,092.21

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Solution

The fourth proportional to 614,371.34, 921,556.19 and 165,092.21 is: 247,638.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,371.34 : 921,556.19 = 165,092.21 : x
  2. Step 2: Convert to fraction form
    614,371.34/921,556.19 = 165,092.21/x
  3. Step 3: Cross multiply
    614,371.34x = 921,556.19 × 165,092.21
  4. Step 4: Simplify right side
    614,371.34x = 152,141,742,613.04
  5. Step 5: Solve for x
    x = 152,141,742,613.04/614,371.34
  6. Step 6: Final answer
    x = 247,638.09

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.