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Finding the Fourth Proportional to 671,398.04, 926,548.66 and 365,494.24

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Solution

The fourth proportional to 671,398.04, 926,548.66 and 365,494.24 is: 504,392.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,398.04 : 926,548.66 = 365,494.24 : x
  2. Step 2: Convert to fraction form
    671,398.04/926,548.66 = 365,494.24/x
  3. Step 3: Cross multiply
    671,398.04x = 926,548.66 × 365,494.24
  4. Step 4: Simplify right side
    671,398.04x = 338,648,198,309.72
  5. Step 5: Solve for x
    x = 338,648,198,309.72/671,398.04
  6. Step 6: Final answer
    x = 504,392.59

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Double scale
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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.