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Finding the Fourth Proportional to 299,507.88, 413,337.72 and 163,554.48

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Solution

The fourth proportional to 299,507.88, 413,337.72 and 163,554.48 is: 225,714.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,507.88 : 413,337.72 = 163,554.48 : x
  2. Step 2: Convert to fraction form
    299,507.88/413,337.72 = 163,554.48/x
  3. Step 3: Cross multiply
    299,507.88x = 413,337.72 × 163,554.48
  4. Step 4: Simplify right side
    299,507.88x = 67,603,235,858.99
  5. Step 5: Solve for x
    x = 67,603,235,858.99/299,507.88
  6. Step 6: Final answer
    x = 225,714.38

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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.