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Finding the Fourth Proportional to 461,213.30, 692,111.55 and 271,673.30

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Solution

The fourth proportional to 461,213.30, 692,111.55 and 271,673.30 is: 407,681.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,213.30 : 692,111.55 = 271,673.30 : x
  2. Step 2: Convert to fraction form
    461,213.30/692,111.55 = 271,673.30/x
  3. Step 3: Cross multiply
    461,213.30x = 692,111.55 × 271,673.30
  4. Step 4: Simplify right side
    461,213.30x = 188,028,228,756.62
  5. Step 5: Solve for x
    x = 188,028,228,756.62/461,213.30
  6. Step 6: Final answer
    x = 407,681.71

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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.