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Finding the Fourth Proportional to 544,725.20, 817,087.80 and 493,986.80

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Solution

The fourth proportional to 544,725.20, 817,087.80 and 493,986.80 is: 740,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,725.20 : 817,087.80 = 493,986.80 : x
  2. Step 2: Convert to fraction form
    544,725.20/817,087.80 = 493,986.80/x
  3. Step 3: Cross multiply
    544,725.20x = 817,087.80 × 493,986.80
  4. Step 4: Simplify right side
    544,725.20x = 403,630,587,641.04
  5. Step 5: Solve for x
    x = 403,630,587,641.04/544,725.20
  6. Step 6: Final answer
    x = 740,980.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.