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Finding the Fourth Proportional to 671,009.51, 925,993.13 and 365,086.02

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Solution

The fourth proportional to 671,009.51, 925,993.13 and 365,086.02 is: 503,818.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,009.51 : 925,993.13 = 365,086.02 : x
  2. Step 2: Convert to fraction form
    671,009.51/925,993.13 = 365,086.02/x
  3. Step 3: Cross multiply
    671,009.51x = 925,993.13 × 365,086.02
  4. Step 4: Simplify right side
    671,009.51x = 338,067,146,379.04
  5. Step 5: Solve for x
    x = 338,067,146,379.04/671,009.51
  6. Step 6: Final answer
    x = 503,818.71

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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.