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Finding the Fourth Proportional to 468,514.40, 646,550.10 and 253,654.34

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Solution

The fourth proportional to 468,514.40, 646,550.10 and 253,654.34 is: 350,043.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,514.40 : 646,550.10 = 253,654.34 : x
  2. Step 2: Convert to fraction form
    468,514.40/646,550.10 = 253,654.34/x
  3. Step 3: Cross multiply
    468,514.40x = 646,550.10 × 253,654.34
  4. Step 4: Simplify right side
    468,514.40x = 164,000,235,659.68
  5. Step 5: Solve for x
    x = 164,000,235,659.68/468,514.40
  6. Step 6: Final answer
    x = 350,043.11

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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.