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Finding the Fourth Proportional to 841,782.28, 1,262,860 and 242,696.69

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Solution

The fourth proportional to 841,782.28, 1,262,860 and 242,696.69 is: 364,098.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,782.28 : 1,262,860 = 242,696.69 : x
  2. Step 2: Convert to fraction form
    841,782.28/1,262,860 = 242,696.69/x
  3. Step 3: Cross multiply
    841,782.28x = 1,262,860 × 242,696.69
  4. Step 4: Simplify right side
    841,782.28x = 306,491,941,933.40
  5. Step 5: Solve for x
    x = 306,491,941,933.40/841,782.28
  6. Step 6: Final answer
    x = 364,098.83

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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.