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Finding the Fourth Proportional to 570,167.22, 855,412.29 and 285,514.14

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Solution

The fourth proportional to 570,167.22, 855,412.29 and 285,514.14 is: 428,352.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,167.22 : 855,412.29 = 285,514.14 : x
  2. Step 2: Convert to fraction form
    570,167.22/855,412.29 = 285,514.14/x
  3. Step 3: Cross multiply
    570,167.22x = 855,412.29 × 285,514.14
  4. Step 4: Simplify right side
    570,167.22x = 244,232,304,324.78
  5. Step 5: Solve for x
    x = 244,232,304,324.78/570,167.22
  6. Step 6: Final answer
    x = 428,352.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.