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Finding the Fourth Proportional to 523,435.62, 785,153.68 and 168,449.60

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Solution

The fourth proportional to 523,435.62, 785,153.68 and 168,449.60 is: 252,674.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,435.62 : 785,153.68 = 168,449.60 : x
  2. Step 2: Convert to fraction form
    523,435.62/785,153.68 = 168,449.60/x
  3. Step 3: Cross multiply
    523,435.62x = 785,153.68 × 168,449.60
  4. Step 4: Simplify right side
    523,435.62x = 132,258,823,334.53
  5. Step 5: Solve for x
    x = 132,258,823,334.53/523,435.62
  6. Step 6: Final answer
    x = 252,674.48

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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.