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Finding the Fourth Proportional to 377,666.36, 521,062.18 and 214,295.84

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Solution

The fourth proportional to 377,666.36, 521,062.18 and 214,295.84 is: 295,661.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,666.36 : 521,062.18 = 214,295.84 : x
  2. Step 2: Convert to fraction form
    377,666.36/521,062.18 = 214,295.84/x
  3. Step 3: Cross multiply
    377,666.36x = 521,062.18 × 214,295.84
  4. Step 4: Simplify right side
    377,666.36x = 111,661,457,555.33
  5. Step 5: Solve for x
    x = 111,661,457,555.33/377,666.36
  6. Step 6: Final answer
    x = 295,661.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.