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Finding the Fourth Proportional to 521,942.70, 732,819.30 and 521,942.70

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Solution

The fourth proportional to 521,942.70, 732,819.30 and 521,942.70 is: 732,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,942.70 : 732,819.30 = 521,942.70 : x
  2. Step 2: Convert to fraction form
    521,942.70/732,819.30 = 521,942.70/x
  3. Step 3: Cross multiply
    521,942.70x = 732,819.30 × 521,942.70
  4. Step 4: Simplify right side
    521,942.70x = 382,489,684,054.11
  5. Step 5: Solve for x
    x = 382,489,684,054.11/521,942.70
  6. Step 6: Final answer
    x = 732,819.30

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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.