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Finding the Fourth Proportional to 413,346, 620,024.76 and 117,858

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Solution

The fourth proportional to 413,346, 620,024.76 and 117,858 is: 176,788.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,346 : 620,024.76 = 117,858 : x
  2. Step 2: Convert to fraction form
    413,346/620,024.76 = 117,858/x
  3. Step 3: Cross multiply
    413,346x = 620,024.76 × 117,858
  4. Step 4: Simplify right side
    413,346x = 73,074,878,164.08
  5. Step 5: Solve for x
    x = 73,074,878,164.08/413,346
  6. Step 6: Final answer
    x = 176,788.64

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