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Finding the Fourth Proportional to 443,139.84, 611,530.56 and 241,934.40

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Solution

The fourth proportional to 443,139.84, 611,530.56 and 241,934.40 is: 333,868.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,139.84 : 611,530.56 = 241,934.40 : x
  2. Step 2: Convert to fraction form
    443,139.84/611,530.56 = 241,934.40/x
  3. Step 3: Cross multiply
    443,139.84x = 611,530.56 × 241,934.40
  4. Step 4: Simplify right side
    443,139.84x = 147,950,279,115.26
  5. Step 5: Solve for x
    x = 147,950,279,115.26/443,139.84
  6. Step 6: Final answer
    x = 333,868.15

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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.