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Finding the Fourth Proportional to 615,721.73, 849,806.51 and 367,379.64

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Solution

The fourth proportional to 615,721.73, 849,806.51 and 367,379.64 is: 507,049.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,721.73 : 849,806.51 = 367,379.64 : x
  2. Step 2: Convert to fraction form
    615,721.73/849,806.51 = 367,379.64/x
  3. Step 3: Cross multiply
    615,721.73x = 849,806.51 × 367,379.64
  4. Step 4: Simplify right side
    615,721.73x = 312,201,607,876.56
  5. Step 5: Solve for x
    x = 312,201,607,876.56/615,721.73
  6. Step 6: Final answer
    x = 507,049.85

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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.