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Finding the Fourth Proportional to 608,563.12, 839,752.50 and 336,587.80

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Solution

The fourth proportional to 608,563.12, 839,752.50 and 336,587.80 is: 464,455.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,563.12 : 839,752.50 = 336,587.80 : x
  2. Step 2: Convert to fraction form
    608,563.12/839,752.50 = 336,587.80/x
  3. Step 3: Cross multiply
    608,563.12x = 839,752.50 × 336,587.80
  4. Step 4: Simplify right side
    608,563.12x = 282,650,446,519.50
  5. Step 5: Solve for x
    x = 282,650,446,519.50/608,563.12
  6. Step 6: Final answer
    x = 464,455.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.