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Finding the Fourth Proportional to 443,377.13, 611,860.50 and 242,173.13

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Solution

The fourth proportional to 443,377.13, 611,860.50 and 242,173.13 is: 334,198.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,377.13 : 611,860.50 = 242,173.13 : x
  2. Step 2: Convert to fraction form
    443,377.13/611,860.50 = 242,173.13/x
  3. Step 3: Cross multiply
    443,377.13x = 611,860.50 × 242,173.13
  4. Step 4: Simplify right side
    443,377.13x = 148,176,169,349.06
  5. Step 5: Solve for x
    x = 148,176,169,349.06/443,377.13
  6. Step 6: Final answer
    x = 334,198.95

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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.