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Finding the Fourth Proportional to 431,575.51, 595,609.65 and 238,021.07

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Solution

The fourth proportional to 431,575.51, 595,609.65 and 238,021.07 is: 328,488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,575.51 : 595,609.65 = 238,021.07 : x
  2. Step 2: Convert to fraction form
    431,575.51/595,609.65 = 238,021.07/x
  3. Step 3: Cross multiply
    431,575.51x = 595,609.65 × 238,021.07
  4. Step 4: Simplify right side
    431,575.51x = 141,767,646,195.33
  5. Step 5: Solve for x
    x = 141,767,646,195.33/431,575.51
  6. Step 6: Final answer
    x = 328,488.63

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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.