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Finding the Fourth Proportional to 670,710.03, 925,306.77 and 380,260.36

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Solution

The fourth proportional to 670,710.03, 925,306.77 and 380,260.36 is: 524,604.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,710.03 : 925,306.77 = 380,260.36 : x
  2. Step 2: Convert to fraction form
    670,710.03/925,306.77 = 380,260.36/x
  3. Step 3: Cross multiply
    670,710.03x = 925,306.77 × 380,260.36
  4. Step 4: Simplify right side
    670,710.03x = 351,857,485,470.64
  5. Step 5: Solve for x
    x = 351,857,485,470.64/670,710.03
  6. Step 6: Final answer
    x = 524,604.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.