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Finding the Fourth Proportional to 432,277.61, 648,402.58 and 195,620.29

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Solution

The fourth proportional to 432,277.61, 648,402.58 and 195,620.29 is: 293,424.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,277.61 : 648,402.58 = 195,620.29 : x
  2. Step 2: Convert to fraction form
    432,277.61/648,402.58 = 195,620.29/x
  3. Step 3: Cross multiply
    432,277.61x = 648,402.58 × 195,620.29
  4. Step 4: Simplify right side
    432,277.61x = 126,840,700,736.35
  5. Step 5: Solve for x
    x = 126,840,700,736.35/432,277.61
  6. Step 6: Final answer
    x = 293,424.17

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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.