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Finding the Fourth Proportional to 373,683.04, 515,677.76 and 203,906.22

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Solution

The fourth proportional to 373,683.04, 515,677.76 and 203,906.22 is: 281,387.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,683.04 : 515,677.76 = 203,906.22 : x
  2. Step 2: Convert to fraction form
    373,683.04/515,677.76 = 203,906.22/x
  3. Step 3: Cross multiply
    373,683.04x = 515,677.76 × 203,906.22
  4. Step 4: Simplify right side
    373,683.04x = 105,149,902,779.67
  5. Step 5: Solve for x
    x = 105,149,902,779.67/373,683.04
  6. Step 6: Final answer
    x = 281,387.95

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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.