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Finding the Fourth Proportional to 289,233.80, 433,850.70 and 245,056.40

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Solution

The fourth proportional to 289,233.80, 433,850.70 and 245,056.40 is: 367,584.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,233.80 : 433,850.70 = 245,056.40 : x
  2. Step 2: Convert to fraction form
    289,233.80/433,850.70 = 245,056.40/x
  3. Step 3: Cross multiply
    289,233.80x = 433,850.70 × 245,056.40
  4. Step 4: Simplify right side
    289,233.80x = 106,317,890,679.48
  5. Step 5: Solve for x
    x = 106,317,890,679.48/289,233.80
  6. Step 6: Final answer
    x = 367,584.60

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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.