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Finding the Fourth Proportional to 354,348.72, 531,147.06 and 174,180.06

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Solution

The fourth proportional to 354,348.72, 531,147.06 and 174,180.06 is: 261,085.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,348.72 : 531,147.06 = 174,180.06 : x
  2. Step 2: Convert to fraction form
    354,348.72/531,147.06 = 174,180.06/x
  3. Step 3: Cross multiply
    354,348.72x = 531,147.06 × 174,180.06
  4. Step 4: Simplify right side
    354,348.72x = 92,515,226,779.62
  5. Step 5: Solve for x
    x = 92,515,226,779.62/354,348.72
  6. Step 6: Final answer
    x = 261,085.26

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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.