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Finding the Fourth Proportional to 271,337.40, 374,464.80 and 150,490.20

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Solution

The fourth proportional to 271,337.40, 374,464.80 and 150,490.20 is: 207,687.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,337.40 : 374,464.80 = 150,490.20 : x
  2. Step 2: Convert to fraction form
    271,337.40/374,464.80 = 150,490.20/x
  3. Step 3: Cross multiply
    271,337.40x = 374,464.80 × 150,490.20
  4. Step 4: Simplify right side
    271,337.40x = 56,353,282,644.96
  5. Step 5: Solve for x
    x = 56,353,282,644.96/271,337.40
  6. Step 6: Final answer
    x = 207,687.12

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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.