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Finding the Fourth Proportional to 554,412.54, 830,911.77 and 270,170.94

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Solution

The fourth proportional to 554,412.54, 830,911.77 and 270,170.94 is: 404,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,412.54 : 830,911.77 = 270,170.94 : x
  2. Step 2: Convert to fraction form
    554,412.54/830,911.77 = 270,170.94/x
  3. Step 3: Cross multiply
    554,412.54x = 830,911.77 × 270,170.94
  4. Step 4: Simplify right side
    554,412.54x = 224,488,213,957.96
  5. Step 5: Solve for x
    x = 224,488,213,957.96/554,412.54
  6. Step 6: Final answer
    x = 404,911.86

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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.