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Finding the Fourth Proportional to 482,926.40, 724,389.60 and 283,342.40

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Solution

The fourth proportional to 482,926.40, 724,389.60 and 283,342.40 is: 425,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,926.40 : 724,389.60 = 283,342.40 : x
  2. Step 2: Convert to fraction form
    482,926.40/724,389.60 = 283,342.40/x
  3. Step 3: Cross multiply
    482,926.40x = 724,389.60 × 283,342.40
  4. Step 4: Simplify right side
    482,926.40x = 205,250,287,799.04
  5. Step 5: Solve for x
    x = 205,250,287,799.04/482,926.40
  6. Step 6: Final answer
    x = 425,013.60

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