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Finding the Fourth Proportional to 403,057.65, 604,591.66 and 118,683.54

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Solution

The fourth proportional to 403,057.65, 604,591.66 and 118,683.54 is: 178,026.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,057.65 : 604,591.66 = 118,683.54 : x
  2. Step 2: Convert to fraction form
    403,057.65/604,591.66 = 118,683.54/x
  3. Step 3: Cross multiply
    403,057.65x = 604,591.66 × 118,683.54
  4. Step 4: Simplify right side
    403,057.65x = 71,755,078,463.28
  5. Step 5: Solve for x
    x = 71,755,078,463.28/403,057.65
  6. Step 6: Final answer
    x = 178,026.84

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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.