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Finding the Fourth Proportional to 546,912, 754,738.56 and 308,494.08

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Solution

The fourth proportional to 546,912, 754,738.56 and 308,494.08 is: 425,721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,912 : 754,738.56 = 308,494.08 : x
  2. Step 2: Convert to fraction form
    546,912/754,738.56 = 308,494.08/x
  3. Step 3: Cross multiply
    546,912x = 754,738.56 × 308,494.08
  4. Step 4: Simplify right side
    546,912x = 232,832,377,707.73
  5. Step 5: Solve for x
    x = 232,832,377,707.73/546,912
  6. Step 6: Final answer
    x = 425,721.83

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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.