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Finding the Fourth Proportional to 404,908.73, 558,774.04 and 235,153.79

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Solution

The fourth proportional to 404,908.73, 558,774.04 and 235,153.79 is: 324,512.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,908.73 : 558,774.04 = 235,153.79 : x
  2. Step 2: Convert to fraction form
    404,908.73/558,774.04 = 235,153.79/x
  3. Step 3: Cross multiply
    404,908.73x = 558,774.04 × 235,153.79
  4. Step 4: Simplify right side
    404,908.73x = 131,397,830,465.74
  5. Step 5: Solve for x
    x = 131,397,830,465.74/404,908.73
  6. Step 6: Final answer
    x = 324,512.22

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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.