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Finding the Fourth Proportional to 469,514.70, 704,272.05 and 137,090.70

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Solution

The fourth proportional to 469,514.70, 704,272.05 and 137,090.70 is: 205,636.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,514.70 : 704,272.05 = 137,090.70 : x
  2. Step 2: Convert to fraction form
    469,514.70/704,272.05 = 137,090.70/x
  3. Step 3: Cross multiply
    469,514.70x = 704,272.05 × 137,090.70
  4. Step 4: Simplify right side
    469,514.70x = 96,549,148,324.94
  5. Step 5: Solve for x
    x = 96,549,148,324.94/469,514.70
  6. Step 6: Final answer
    x = 205,636.05

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Similar ratio
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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.