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Finding the Fourth Proportional to 572,590.10, 857,135.55 and 446,618.90

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Solution

The fourth proportional to 572,590.10, 857,135.55 and 446,618.90 is: 668,563.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,590.10 : 857,135.55 = 446,618.90 : x
  2. Step 2: Convert to fraction form
    572,590.10/857,135.55 = 446,618.90/x
  3. Step 3: Cross multiply
    572,590.10x = 857,135.55 × 446,618.90
  4. Step 4: Simplify right side
    572,590.10x = 382,812,936,491.90
  5. Step 5: Solve for x
    x = 382,812,936,491.90/572,590.10
  6. Step 6: Final answer
    x = 668,563.67

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