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Finding the Fourth Proportional to 347,457.96, 479,537.19 and 194,554.44

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Solution

The fourth proportional to 347,457.96, 479,537.19 and 194,554.44 is: 268,510.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,457.96 : 479,537.19 = 194,554.44 : x
  2. Step 2: Convert to fraction form
    347,457.96/479,537.19 = 194,554.44/x
  3. Step 3: Cross multiply
    347,457.96x = 479,537.19 × 194,554.44
  4. Step 4: Simplify right side
    347,457.96x = 93,296,089,459.62
  5. Step 5: Solve for x
    x = 93,296,089,459.62/347,457.96
  6. Step 6: Final answer
    x = 268,510.44

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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.