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Finding the Fourth Proportional to 433,520.70, 605,748 and 433,520.70

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Solution

The fourth proportional to 433,520.70, 605,748 and 433,520.70 is: 605,748

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,520.70 : 605,748 = 433,520.70 : x
  2. Step 2: Convert to fraction form
    433,520.70/605,748 = 433,520.70/x
  3. Step 3: Cross multiply
    433,520.70x = 605,748 × 433,520.70
  4. Step 4: Simplify right side
    433,520.70x = 262,604,296,983.60
  5. Step 5: Solve for x
    x = 262,604,296,983.60/433,520.70
  6. Step 6: Final answer
    x = 605,748

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.