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Finding the Fourth Proportional to 756,000.20, 998,666.76 and 756,000.20

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Solution

The fourth proportional to 756,000.20, 998,666.76 and 756,000.20 is: 998,666.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,000.20 : 998,666.76 = 756,000.20 : x
  2. Step 2: Convert to fraction form
    756,000.20/998,666.76 = 756,000.20/x
  3. Step 3: Cross multiply
    756,000.20x = 998,666.76 × 756,000.20
  4. Step 4: Simplify right side
    756,000.20x = 754,992,270,293.35
  5. Step 5: Solve for x
    x = 754,992,270,293.35/756,000.20
  6. Step 6: Final answer
    x = 998,666.76

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.