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Finding the Fourth Proportional to 804,367.40, 1,206,713.10 and 235,747.40

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Solution

The fourth proportional to 804,367.40, 1,206,713.10 and 235,747.40 is: 353,668.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,367.40 : 1,206,713.10 = 235,747.40 : x
  2. Step 2: Convert to fraction form
    804,367.40/1,206,713.10 = 235,747.40/x
  3. Step 3: Cross multiply
    804,367.40x = 1,206,713.10 × 235,747.40
  4. Step 4: Simplify right side
    804,367.40x = 284,479,475,870.94
  5. Step 5: Solve for x
    x = 284,479,475,870.94/804,367.40
  6. Step 6: Final answer
    x = 353,668.58

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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.