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Finding the Fourth Proportional to 614,791.15, 922,185.88 and 165,512.50

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Solution

The fourth proportional to 614,791.15, 922,185.88 and 165,512.50 is: 248,268.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,791.15 : 922,185.88 = 165,512.50 : x
  2. Step 2: Convert to fraction form
    614,791.15/922,185.88 = 165,512.50/x
  3. Step 3: Cross multiply
    614,791.15x = 922,185.88 × 165,512.50
  4. Step 4: Simplify right side
    614,791.15x = 152,633,287,744.25
  5. Step 5: Solve for x
    x = 152,633,287,744.25/614,791.15
  6. Step 6: Final answer
    x = 248,268.52

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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.