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Finding the Fourth Proportional to 384,871.01, 577,400.65 and 271,240.53

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Solution

The fourth proportional to 384,871.01, 577,400.65 and 271,240.53 is: 406,927.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,871.01 : 577,400.65 = 271,240.53 : x
  2. Step 2: Convert to fraction form
    384,871.01/577,400.65 = 271,240.53/x
  3. Step 3: Cross multiply
    384,871.01x = 577,400.65 × 271,240.53
  4. Step 4: Simplify right side
    384,871.01x = 156,614,459,093.75
  5. Step 5: Solve for x
    x = 156,614,459,093.75/384,871.01
  6. Step 6: Final answer
    x = 406,927.14

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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.