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Finding the Fourth Proportional to 572,876.10, 857,564.55 and 446,904.90

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Solution

The fourth proportional to 572,876.10, 857,564.55 and 446,904.90 is: 668,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,876.10 : 857,564.55 = 446,904.90 : x
  2. Step 2: Convert to fraction form
    572,876.10/857,564.55 = 446,904.90/x
  3. Step 3: Cross multiply
    572,876.10x = 857,564.55 × 446,904.90
  4. Step 4: Simplify right side
    572,876.10x = 383,249,799,461.30
  5. Step 5: Solve for x
    x = 383,249,799,461.30/572,876.10
  6. Step 6: Final answer
    x = 668,992.47

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