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Finding the Fourth Proportional to 633,489.40, 948,909.30 and 296,817.40

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Solution

The fourth proportional to 633,489.40, 948,909.30 and 296,817.40 is: 444,605.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,489.40 : 948,909.30 = 296,817.40 : x
  2. Step 2: Convert to fraction form
    633,489.40/948,909.30 = 296,817.40/x
  3. Step 3: Cross multiply
    633,489.40x = 948,909.30 × 296,817.40
  4. Step 4: Simplify right side
    633,489.40x = 281,652,791,261.82
  5. Step 5: Solve for x
    x = 281,652,791,261.82/633,489.40
  6. Step 6: Final answer
    x = 444,605.37

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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.