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Finding the Fourth Proportional to 570,514.68, 855,721.02 and 171,244.60

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Solution

The fourth proportional to 570,514.68, 855,721.02 and 171,244.60 is: 256,851.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,514.68 : 855,721.02 = 171,244.60 : x
  2. Step 2: Convert to fraction form
    570,514.68/855,721.02 = 171,244.60/x
  3. Step 3: Cross multiply
    570,514.68x = 855,721.02 × 171,244.60
  4. Step 4: Simplify right side
    570,514.68x = 146,537,603,781.49
  5. Step 5: Solve for x
    x = 146,537,603,781.49/570,514.68
  6. Step 6: Final answer
    x = 256,851.59

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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.