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Finding the Fourth Proportional to 271,500.02, 406,585.40 and 191,340.98

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Solution

The fourth proportional to 271,500.02, 406,585.40 and 191,340.98 is: 286,543.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,500.02 : 406,585.40 = 191,340.98 : x
  2. Step 2: Convert to fraction form
    271,500.02/406,585.40 = 191,340.98/x
  3. Step 3: Cross multiply
    271,500.02x = 406,585.40 × 191,340.98
  4. Step 4: Simplify right side
    271,500.02x = 77,796,448,889.69
  5. Step 5: Solve for x
    x = 77,796,448,889.69/271,500.02
  6. Step 6: Final answer
    x = 286,543.07

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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.