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Finding the Fourth Proportional to 369,851.13, 510,257.61 and 273,287.79

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Solution

The fourth proportional to 369,851.13, 510,257.61 and 273,287.79 is: 377,035.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,851.13 : 510,257.61 = 273,287.79 : x
  2. Step 2: Convert to fraction form
    369,851.13/510,257.61 = 273,287.79/x
  3. Step 3: Cross multiply
    369,851.13x = 510,257.61 × 273,287.79
  4. Step 4: Simplify right side
    369,851.13x = 139,447,174,567.58
  5. Step 5: Solve for x
    x = 139,447,174,567.58/369,851.13
  6. Step 6: Final answer
    x = 377,035.96

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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.