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Finding the Fourth Proportional to 356,809.26, 493,008.75 and 344,037.18

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Solution

The fourth proportional to 356,809.26, 493,008.75 and 344,037.18 is: 475,361.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,809.26 : 493,008.75 = 344,037.18 : x
  2. Step 2: Convert to fraction form
    356,809.26/493,008.75 = 344,037.18/x
  3. Step 3: Cross multiply
    356,809.26x = 493,008.75 × 344,037.18
  4. Step 4: Simplify right side
    356,809.26x = 169,613,340,065.33
  5. Step 5: Solve for x
    x = 169,613,340,065.33/356,809.26
  6. Step 6: Final answer
    x = 475,361.37

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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.