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Finding the Fourth Proportional to 673,489.47, 930,427.61 and 441,467.13

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Solution

The fourth proportional to 673,489.47, 930,427.61 and 441,467.13 is: 609,888.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,489.47 : 930,427.61 = 441,467.13 : x
  2. Step 2: Convert to fraction form
    673,489.47/930,427.61 = 441,467.13/x
  3. Step 3: Cross multiply
    673,489.47x = 930,427.61 × 441,467.13
  4. Step 4: Simplify right side
    673,489.47x = 410,753,206,659.46
  5. Step 5: Solve for x
    x = 410,753,206,659.46/673,489.47
  6. Step 6: Final answer
    x = 609,888.09

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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.