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Finding the Fourth Proportional to 476,480.93, 657,578.18 and 315,056.03

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Solution

The fourth proportional to 476,480.93, 657,578.18 and 315,056.03 is: 434,800.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,480.93 : 657,578.18 = 315,056.03 : x
  2. Step 2: Convert to fraction form
    476,480.93/657,578.18 = 315,056.03/x
  3. Step 3: Cross multiply
    476,480.93x = 657,578.18 × 315,056.03
  4. Step 4: Simplify right side
    476,480.93x = 207,173,968,305.18
  5. Step 5: Solve for x
    x = 207,173,968,305.18/476,480.93
  6. Step 6: Final answer
    x = 434,800.13

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