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Finding the Fourth Proportional to 544,735.75, 817,615.55 and 285,259.60

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Solution

The fourth proportional to 544,735.75, 817,615.55 and 285,259.60 is: 428,157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,735.75 : 817,615.55 = 285,259.60 : x
  2. Step 2: Convert to fraction form
    544,735.75/817,615.55 = 285,259.60/x
  3. Step 3: Cross multiply
    544,735.75x = 817,615.55 × 285,259.60
  4. Step 4: Simplify right side
    544,735.75x = 233,232,684,746.78
  5. Step 5: Solve for x
    x = 233,232,684,746.78/544,735.75
  6. Step 6: Final answer
    x = 428,157.48

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1.5x scale

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.