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Finding the Fourth Proportional to 403,234.67, 604,851.17 and 119,124.71

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Solution

The fourth proportional to 403,234.67, 604,851.17 and 119,124.71 is: 178,686.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,234.67 : 604,851.17 = 119,124.71 : x
  2. Step 2: Convert to fraction form
    403,234.67/604,851.17 = 119,124.71/x
  3. Step 3: Cross multiply
    403,234.67x = 604,851.17 × 119,124.71
  4. Step 4: Simplify right side
    403,234.67x = 72,052,716,599.53
  5. Step 5: Solve for x
    x = 72,052,716,599.53/403,234.67
  6. Step 6: Final answer
    x = 178,686.81

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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.