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Finding the Fourth Proportional to 523,546.20, 785,393.55 and 168,477.57

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Solution

The fourth proportional to 523,546.20, 785,393.55 and 168,477.57 is: 252,740.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,546.20 : 785,393.55 = 168,477.57 : x
  2. Step 2: Convert to fraction form
    523,546.20/785,393.55 = 168,477.57/x
  3. Step 3: Cross multiply
    523,546.20x = 785,393.55 × 168,477.57
  4. Step 4: Simplify right side
    523,546.20x = 132,321,196,797.67
  5. Step 5: Solve for x
    x = 132,321,196,797.67/523,546.20
  6. Step 6: Final answer
    x = 252,740.25

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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.