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Finding the Fourth Proportional to 471,421.67, 650,549.41 and 256,557.13

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Solution

The fourth proportional to 471,421.67, 650,549.41 and 256,557.13 is: 354,042.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,421.67 : 650,549.41 = 256,557.13 : x
  2. Step 2: Convert to fraction form
    471,421.67/650,549.41 = 256,557.13/x
  3. Step 3: Cross multiply
    471,421.67x = 650,549.41 × 256,557.13
  4. Step 4: Simplify right side
    471,421.67x = 166,903,089,552.79
  5. Step 5: Solve for x
    x = 166,903,089,552.79/471,421.67
  6. Step 6: Final answer
    x = 354,042.04

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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.