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Finding the Fourth Proportional to 635,732.54, 877,311.26 and 349,271.07

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Solution

The fourth proportional to 635,732.54, 877,311.26 and 349,271.07 is: 481,994.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,732.54 : 877,311.26 = 349,271.07 : x
  2. Step 2: Convert to fraction form
    635,732.54/877,311.26 = 349,271.07/x
  3. Step 3: Cross multiply
    635,732.54x = 877,311.26 × 349,271.07
  4. Step 4: Simplify right side
    635,732.54x = 306,419,440,756.89
  5. Step 5: Solve for x
    x = 306,419,440,756.89/635,732.54
  6. Step 6: Final answer
    x = 481,994.27

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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.