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Finding the Fourth Proportional to 635,825.36, 877,436.34 and 349,344.56

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Solution

The fourth proportional to 635,825.36, 877,436.34 and 349,344.56 is: 482,094.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,825.36 : 877,436.34 = 349,344.56 : x
  2. Step 2: Convert to fraction form
    635,825.36/877,436.34 = 349,344.56/x
  3. Step 3: Cross multiply
    635,825.36x = 877,436.34 × 349,344.56
  4. Step 4: Simplify right side
    635,825.36x = 306,527,612,125.31
  5. Step 5: Solve for x
    x = 306,527,612,125.31/635,825.36
  6. Step 6: Final answer
    x = 482,094.03

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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.