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Finding the Fourth Proportional to 404,746.88, 558,616.30 and 235,079.42

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Solution

The fourth proportional to 404,746.88, 558,616.30 and 235,079.42 is: 324,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,746.88 : 558,616.30 = 235,079.42 : x
  2. Step 2: Convert to fraction form
    404,746.88/558,616.30 = 235,079.42/x
  3. Step 3: Cross multiply
    404,746.88x = 558,616.30 × 235,079.42
  4. Step 4: Simplify right side
    404,746.88x = 131,319,192,425.77
  5. Step 5: Solve for x
    x = 131,319,192,425.77/404,746.88
  6. Step 6: Final answer
    x = 324,447.70

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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.