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Finding the Fourth Proportional to 404,655.94, 558,388.24 and 259,203.94

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Solution

The fourth proportional to 404,655.94, 558,388.24 and 259,203.94 is: 357,677.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,655.94 : 558,388.24 = 259,203.94 : x
  2. Step 2: Convert to fraction form
    404,655.94/558,388.24 = 259,203.94/x
  3. Step 3: Cross multiply
    404,655.94x = 558,388.24 × 259,203.94
  4. Step 4: Simplify right side
    404,655.94x = 144,736,431,857.67
  5. Step 5: Solve for x
    x = 144,736,431,857.67/404,655.94
  6. Step 6: Final answer
    x = 357,677.76

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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.