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Finding the Fourth Proportional to 271,617.60, 407,499.30 and 242,238.90

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Solution

The fourth proportional to 271,617.60, 407,499.30 and 242,238.90 is: 363,423.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,617.60 : 407,499.30 = 242,238.90 : x
  2. Step 2: Convert to fraction form
    271,617.60/407,499.30 = 242,238.90/x
  3. Step 3: Cross multiply
    271,617.60x = 407,499.30 × 242,238.90
  4. Step 4: Simplify right side
    271,617.60x = 98,712,182,182.77
  5. Step 5: Solve for x
    x = 98,712,182,182.77/271,617.60
  6. Step 6: Final answer
    x = 363,423.36

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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.