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Finding the Fourth Proportional to 543,119.06, 749,504.73 and 301,401.82

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Solution

The fourth proportional to 543,119.06, 749,504.73 and 301,401.82 is: 415,934.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,119.06 : 749,504.73 = 301,401.82 : x
  2. Step 2: Convert to fraction form
    543,119.06/749,504.73 = 301,401.82/x
  3. Step 3: Cross multiply
    543,119.06x = 749,504.73 × 301,401.82
  4. Step 4: Simplify right side
    543,119.06x = 225,902,088,213.60
  5. Step 5: Solve for x
    x = 225,902,088,213.60/543,119.06
  6. Step 6: Final answer
    x = 415,934.75

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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.