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Finding the Fourth Proportional to 310,492.92, 465,349.77 and 132,790.98

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Solution

The fourth proportional to 310,492.92, 465,349.77 and 132,790.98 is: 199,019.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,492.92 : 465,349.77 = 132,790.98 : x
  2. Step 2: Convert to fraction form
    310,492.92/465,349.77 = 132,790.98/x
  3. Step 3: Cross multiply
    310,492.92x = 465,349.77 × 132,790.98
  4. Step 4: Simplify right side
    310,492.92x = 61,794,252,001.07
  5. Step 5: Solve for x
    x = 61,794,252,001.07/310,492.92
  6. Step 6: Final answer
    x = 199,019.84

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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.