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Finding the Fourth Proportional to 385,792.47, 578,477.30 and 119,479.05

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Solution

The fourth proportional to 385,792.47, 578,477.30 and 119,479.05 is: 179,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,792.47 : 578,477.30 = 119,479.05 : x
  2. Step 2: Convert to fraction form
    385,792.47/578,477.30 = 119,479.05/x
  3. Step 3: Cross multiply
    385,792.47x = 578,477.30 × 119,479.05
  4. Step 4: Simplify right side
    385,792.47x = 69,115,917,653.17
  5. Step 5: Solve for x
    x = 69,115,917,653.17/385,792.47
  6. Step 6: Final answer
    x = 179,153.10

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