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Finding the Fourth Proportional to 437,069.76, 655,662.03 and 152,765.22

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Solution

The fourth proportional to 437,069.76, 655,662.03 and 152,765.22 is: 229,167.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,069.76 : 655,662.03 = 152,765.22 : x
  2. Step 2: Convert to fraction form
    437,069.76/655,662.03 = 152,765.22/x
  3. Step 3: Cross multiply
    437,069.76x = 655,662.03 × 152,765.22
  4. Step 4: Simplify right side
    437,069.76x = 100,162,354,258.60
  5. Step 5: Solve for x
    x = 100,162,354,258.60/437,069.76
  6. Step 6: Final answer
    x = 229,167.89

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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.