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Finding the Fourth Proportional to 622,714.80, 934,072.80 and 173,436.60

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Solution

The fourth proportional to 622,714.80, 934,072.80 and 173,436.60 is: 260,155.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,714.80 : 934,072.80 = 173,436.60 : x
  2. Step 2: Convert to fraction form
    622,714.80/934,072.80 = 173,436.60/x
  3. Step 3: Cross multiply
    622,714.80x = 934,072.80 × 173,436.60
  4. Step 4: Simplify right side
    622,714.80x = 162,002,410,584.48
  5. Step 5: Solve for x
    x = 162,002,410,584.48/622,714.80
  6. Step 6: Final answer
    x = 260,155.07

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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.