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Finding the Fourth Proportional to 872,630.92, 1,308,975 and 241,491.88

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Solution

The fourth proportional to 872,630.92, 1,308,975 and 241,491.88 is: 362,245.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,630.92 : 1,308,975 = 241,491.88 : x
  2. Step 2: Convert to fraction form
    872,630.92/1,308,975 = 241,491.88/x
  3. Step 3: Cross multiply
    872,630.92x = 1,308,975 × 241,491.88
  4. Step 4: Simplify right side
    872,630.92x = 316,106,833,623
  5. Step 5: Solve for x
    x = 316,106,833,623/872,630.92
  6. Step 6: Final answer
    x = 362,245.74

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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.