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Finding the Fourth Proportional to 597,048.41, 823,710.41 and 338,775.78

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Solution

The fourth proportional to 597,048.41, 823,710.41 and 338,775.78 is: 467,387.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,048.41 : 823,710.41 = 338,775.78 : x
  2. Step 2: Convert to fraction form
    597,048.41/823,710.41 = 338,775.78/x
  3. Step 3: Cross multiply
    597,048.41x = 823,710.41 × 338,775.78
  4. Step 4: Simplify right side
    597,048.41x = 279,053,134,947.99
  5. Step 5: Solve for x
    x = 279,053,134,947.99/597,048.41
  6. Step 6: Final answer
    x = 467,387.79

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Double scale
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Similar ratio
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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.