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Finding the Fourth Proportional to 433,910.40, 583,912.80 and 433,910.40

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Solution

The fourth proportional to 433,910.40, 583,912.80 and 433,910.40 is: 583,912.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,910.40 : 583,912.80 = 433,910.40 : x
  2. Step 2: Convert to fraction form
    433,910.40/583,912.80 = 433,910.40/x
  3. Step 3: Cross multiply
    433,910.40x = 583,912.80 × 433,910.40
  4. Step 4: Simplify right side
    433,910.40x = 253,365,836,613.12
  5. Step 5: Solve for x
    x = 253,365,836,613.12/433,910.40
  6. Step 6: Final answer
    x = 583,912.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.