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Finding the Fourth Proportional to 436,270.94, 654,401.51 and 170,218.29

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Solution

The fourth proportional to 436,270.94, 654,401.51 and 170,218.29 is: 255,325.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,270.94 : 654,401.51 = 170,218.29 : x
  2. Step 2: Convert to fraction form
    436,270.94/654,401.51 = 170,218.29/x
  3. Step 3: Cross multiply
    436,270.94x = 654,401.51 × 170,218.29
  4. Step 4: Simplify right side
    436,270.94x = 111,391,106,005.62
  5. Step 5: Solve for x
    x = 111,391,106,005.62/436,270.94
  6. Step 6: Final answer
    x = 255,325.52

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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.