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Finding the Fourth Proportional to 540,485.46, 745,837.56 and 298,753.62

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Solution

The fourth proportional to 540,485.46, 745,837.56 and 298,753.62 is: 412,262.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,485.46 : 745,837.56 = 298,753.62 : x
  2. Step 2: Convert to fraction form
    540,485.46/745,837.56 = 298,753.62/x
  3. Step 3: Cross multiply
    540,485.46x = 745,837.56 × 298,753.62
  4. Step 4: Simplify right side
    540,485.46x = 222,821,670,981.97
  5. Step 5: Solve for x
    x = 222,821,670,981.97/540,485.46
  6. Step 6: Final answer
    x = 412,262.10

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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.