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Finding the Fourth Proportional to 443,399.06, 611,893.14 and 242,195.06

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Solution

The fourth proportional to 443,399.06, 611,893.14 and 242,195.06 is: 334,230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,399.06 : 611,893.14 = 242,195.06 : x
  2. Step 2: Convert to fraction form
    443,399.06/611,893.14 = 242,195.06/x
  3. Step 3: Cross multiply
    443,399.06x = 611,893.14 × 242,195.06
  4. Step 4: Simplify right side
    443,399.06x = 148,197,496,377.39
  5. Step 5: Solve for x
    x = 148,197,496,377.39/443,399.06
  6. Step 6: Final answer
    x = 334,230.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.