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Finding the Fourth Proportional to 271,807.10, 407,710.65 and 269,182.70

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Solution

The fourth proportional to 271,807.10, 407,710.65 and 269,182.70 is: 403,774.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,807.10 : 407,710.65 = 269,182.70 : x
  2. Step 2: Convert to fraction form
    271,807.10/407,710.65 = 269,182.70/x
  3. Step 3: Cross multiply
    271,807.10x = 407,710.65 × 269,182.70
  4. Step 4: Simplify right side
    271,807.10x = 109,748,653,585.76
  5. Step 5: Solve for x
    x = 109,748,653,585.76/271,807.10
  6. Step 6: Final answer
    x = 403,774.05

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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.