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Finding the Fourth Proportional to 271,485.80, 408,006.30 and 237,271.40

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Solution

The fourth proportional to 271,485.80, 408,006.30 and 237,271.40 is: 356,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,485.80 : 408,006.30 = 237,271.40 : x
  2. Step 2: Convert to fraction form
    271,485.80/408,006.30 = 237,271.40/x
  3. Step 3: Cross multiply
    271,485.80x = 408,006.30 × 237,271.40
  4. Step 4: Simplify right side
    271,485.80x = 96,808,226,009.82
  5. Step 5: Solve for x
    x = 96,808,226,009.82/271,485.80
  6. Step 6: Final answer
    x = 356,586.70

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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.