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Finding the Fourth Proportional to 704,170.73, 971,729.38 and 417,519.29

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Solution

The fourth proportional to 704,170.73, 971,729.38 and 417,519.29 is: 576,161.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,170.73 : 971,729.38 = 417,519.29 : x
  2. Step 2: Convert to fraction form
    704,170.73/971,729.38 = 417,519.29/x
  3. Step 3: Cross multiply
    704,170.73x = 971,729.38 × 417,519.29
  4. Step 4: Simplify right side
    704,170.73x = 405,715,760,809.74
  5. Step 5: Solve for x
    x = 405,715,760,809.74/704,170.73
  6. Step 6: Final answer
    x = 576,161.07

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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.