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Finding the Fourth Proportional to 482,938.60, 724,407.90 and 358,522.60

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Solution

The fourth proportional to 482,938.60, 724,407.90 and 358,522.60 is: 537,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,938.60 : 724,407.90 = 358,522.60 : x
  2. Step 2: Convert to fraction form
    482,938.60/724,407.90 = 358,522.60/x
  3. Step 3: Cross multiply
    482,938.60x = 724,407.90 × 358,522.60
  4. Step 4: Simplify right side
    482,938.60x = 259,716,603,768.54
  5. Step 5: Solve for x
    x = 259,716,603,768.54/482,938.60
  6. Step 6: Final answer
    x = 537,783.90

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