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Finding the Fourth Proportional to 371,848, 559,795.24 and 338,780.56

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Solution

The fourth proportional to 371,848, 559,795.24 and 338,780.56 is: 510,014.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,848 : 559,795.24 = 338,780.56 : x
  2. Step 2: Convert to fraction form
    371,848/559,795.24 = 338,780.56/x
  3. Step 3: Cross multiply
    371,848x = 559,795.24 × 338,780.56
  4. Step 4: Simplify right side
    371,848x = 189,647,744,892.53
  5. Step 5: Solve for x
    x = 189,647,744,892.53/371,848
  6. Step 6: Final answer
    x = 510,014.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.