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Finding the Fourth Proportional to 347,744.80, 521,325.60 and 181,532.80

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Solution

The fourth proportional to 347,744.80, 521,325.60 and 181,532.80 is: 272,146.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,744.80 : 521,325.60 = 181,532.80 : x
  2. Step 2: Convert to fraction form
    347,744.80/521,325.60 = 181,532.80/x
  3. Step 3: Cross multiply
    347,744.80x = 521,325.60 × 181,532.80
  4. Step 4: Simplify right side
    347,744.80x = 94,637,695,879.68
  5. Step 5: Solve for x
    x = 94,637,695,879.68/347,744.80
  6. Step 6: Final answer
    x = 272,146.98

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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.