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Finding the Fourth Proportional to 310,656.75, 465,237.73 and 177,132.21

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Solution

The fourth proportional to 310,656.75, 465,237.73 and 177,132.21 is: 265,272.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,656.75 : 465,237.73 = 177,132.21 : x
  2. Step 2: Convert to fraction form
    310,656.75/465,237.73 = 177,132.21/x
  3. Step 3: Cross multiply
    310,656.75x = 465,237.73 × 177,132.21
  4. Step 4: Simplify right side
    310,656.75x = 82,408,587,290.28
  5. Step 5: Solve for x
    x = 82,408,587,290.28/310,656.75
  6. Step 6: Final answer
    x = 265,272.16

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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.