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Finding the Fourth Proportional to 712,204, 1,066,770.16 and 670,330.24

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Solution

The fourth proportional to 712,204, 1,066,770.16 and 670,330.24 is: 1,004,049.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,204 : 1,066,770.16 = 670,330.24 : x
  2. Step 2: Convert to fraction form
    712,204/1,066,770.16 = 670,330.24/x
  3. Step 3: Cross multiply
    712,204x = 1,066,770.16 × 670,330.24
  4. Step 4: Simplify right side
    712,204x = 715,088,297,377.64
  5. Step 5: Solve for x
    x = 715,088,297,377.64/712,204
  6. Step 6: Final answer
    x = 1,004,049.82

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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.