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Finding the Fourth Proportional to 271,345.40, 374,479.65 and 150,525.61

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Solution

The fourth proportional to 271,345.40, 374,479.65 and 150,525.61 is: 207,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,345.40 : 374,479.65 = 150,525.61 : x
  2. Step 2: Convert to fraction form
    271,345.40/374,479.65 = 150,525.61/x
  3. Step 3: Cross multiply
    271,345.40x = 374,479.65 × 150,525.61
  4. Step 4: Simplify right side
    271,345.40x = 56,368,777,748.84
  5. Step 5: Solve for x
    x = 56,368,777,748.84/271,345.40
  6. Step 6: Final answer
    x = 207,738.10

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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.