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Finding the Fourth Proportional to 602,919.18, 903,690.79 and 242,859.45

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Solution

The fourth proportional to 602,919.18, 903,690.79 and 242,859.45 is: 364,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,919.18 : 903,690.79 = 242,859.45 : x
  2. Step 2: Convert to fraction form
    602,919.18/903,690.79 = 242,859.45/x
  3. Step 3: Cross multiply
    602,919.18x = 903,690.79 × 242,859.45
  4. Step 4: Simplify right side
    602,919.18x = 219,469,848,229.47
  5. Step 5: Solve for x
    x = 219,469,848,229.47/602,919.18
  6. Step 6: Final answer
    x = 364,012.05

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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.