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Finding the Fourth Proportional to 441,186.33, 661,853.31 and 346,412.69

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Solution

The fourth proportional to 441,186.33, 661,853.31 and 346,412.69 is: 519,676.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,186.33 : 661,853.31 = 346,412.69 : x
  2. Step 2: Convert to fraction form
    441,186.33/661,853.31 = 346,412.69/x
  3. Step 3: Cross multiply
    441,186.33x = 661,853.31 × 346,412.69
  4. Step 4: Simplify right side
    441,186.33x = 229,274,385,502.50
  5. Step 5: Solve for x
    x = 229,274,385,502.50/441,186.33
  6. Step 6: Final answer
    x = 519,676.99

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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.