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Finding the Fourth Proportional to 602,920.18, 903,692.28 and 242,860.46

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Solution

The fourth proportional to 602,920.18, 903,692.28 and 242,860.46 is: 364,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,920.18 : 903,692.28 = 242,860.46 : x
  2. Step 2: Convert to fraction form
    602,920.18/903,692.28 = 242,860.46/x
  3. Step 3: Cross multiply
    602,920.18x = 903,692.28 × 242,860.46
  4. Step 4: Simplify right side
    602,920.18x = 219,471,122,819.25
  5. Step 5: Solve for x
    x = 219,471,122,819.25/602,920.18
  6. Step 6: Final answer
    x = 364,013.56

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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.