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Finding the Fourth Proportional to 431,072.84, 594,857.94 and 240,082.76

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Solution

The fourth proportional to 431,072.84, 594,857.94 and 240,082.76 is: 331,301.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,072.84 : 594,857.94 = 240,082.76 : x
  2. Step 2: Convert to fraction form
    431,072.84/594,857.94 = 240,082.76/x
  3. Step 3: Cross multiply
    431,072.84x = 594,857.94 × 240,082.76
  4. Step 4: Simplify right side
    431,072.84x = 142,815,136,043.11
  5. Step 5: Solve for x
    x = 142,815,136,043.11/431,072.84
  6. Step 6: Final answer
    x = 331,301.63

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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.