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Finding the Fourth Proportional to 602,901.69, 903,664.60 and 242,842.09

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Solution

The fourth proportional to 602,901.69, 903,664.60 and 242,842.09 is: 363,986.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,901.69 : 903,664.60 = 242,842.09 : x
  2. Step 2: Convert to fraction form
    602,901.69/903,664.60 = 242,842.09/x
  3. Step 3: Cross multiply
    602,901.69x = 903,664.60 × 242,842.09
  4. Step 4: Simplify right side
    602,901.69x = 219,447,797,509.59
  5. Step 5: Solve for x
    x = 219,447,797,509.59/602,901.69
  6. Step 6: Final answer
    x = 363,986.04

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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.