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Finding the Fourth Proportional to 544,735.50, 817,615.18 and 285,259.35

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Solution

The fourth proportional to 544,735.50, 817,615.18 and 285,259.35 is: 428,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,735.50 : 817,615.18 = 285,259.35 : x
  2. Step 2: Convert to fraction form
    544,735.50/817,615.18 = 285,259.35/x
  3. Step 3: Cross multiply
    544,735.50x = 817,615.18 × 285,259.35
  4. Step 4: Simplify right side
    544,735.50x = 233,232,374,083.79
  5. Step 5: Solve for x
    x = 233,232,374,083.79/544,735.50
  6. Step 6: Final answer
    x = 428,157.10

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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.