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Finding the Fourth Proportional to 323,514.51, 446,451.80 and 187,629

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Solution

The fourth proportional to 323,514.51, 446,451.80 and 187,629 is: 258,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,514.51 : 446,451.80 = 187,629 : x
  2. Step 2: Convert to fraction form
    323,514.51/446,451.80 = 187,629/x
  3. Step 3: Cross multiply
    323,514.51x = 446,451.80 × 187,629
  4. Step 4: Simplify right side
    323,514.51x = 83,767,304,782.20
  5. Step 5: Solve for x
    x = 83,767,304,782.20/323,514.51
  6. Step 6: Final answer
    x = 258,929.05

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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.