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Finding the Fourth Proportional to 503,667.07, 755,763.05 and 223,118.71

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Solution

The fourth proportional to 503,667.07, 755,763.05 and 223,118.71 is: 334,794.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,667.07 : 755,763.05 = 223,118.71 : x
  2. Step 2: Convert to fraction form
    503,667.07/755,763.05 = 223,118.71/x
  3. Step 3: Cross multiply
    503,667.07x = 755,763.05 × 223,118.71
  4. Step 4: Simplify right side
    503,667.07x = 168,624,876,781.67
  5. Step 5: Solve for x
    x = 168,624,876,781.67/503,667.07
  6. Step 6: Final answer
    x = 334,794.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.