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Finding the Fourth Proportional to 456,301.70, 684,452.55 and 386,317.70

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Solution

The fourth proportional to 456,301.70, 684,452.55 and 386,317.70 is: 579,476.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,301.70 : 684,452.55 = 386,317.70 : x
  2. Step 2: Convert to fraction form
    456,301.70/684,452.55 = 386,317.70/x
  3. Step 3: Cross multiply
    456,301.70x = 684,452.55 × 386,317.70
  4. Step 4: Simplify right side
    456,301.70x = 264,416,134,875.14
  5. Step 5: Solve for x
    x = 264,416,134,875.14/456,301.70
  6. Step 6: Final answer
    x = 579,476.55

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