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Finding the Fourth Proportional to 365,416.63, 548,118.90 and 109,249.80

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Solution

The fourth proportional to 365,416.63, 548,118.90 and 109,249.80 is: 163,872.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,416.63 : 548,118.90 = 109,249.80 : x
  2. Step 2: Convert to fraction form
    365,416.63/548,118.90 = 109,249.80/x
  3. Step 3: Cross multiply
    365,416.63x = 548,118.90 × 109,249.80
  4. Step 4: Simplify right side
    365,416.63x = 59,881,878,145.77
  5. Step 5: Solve for x
    x = 59,881,878,145.77/365,416.63
  6. Step 6: Final answer
    x = 163,872.89

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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.