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Finding the Fourth Proportional to 634,428.82, 951,341.91 and 368,270.92

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Solution

The fourth proportional to 634,428.82, 951,341.91 and 368,270.92 is: 552,231.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,428.82 : 951,341.91 = 368,270.92 : x
  2. Step 2: Convert to fraction form
    634,428.82/951,341.91 = 368,270.92/x
  3. Step 3: Cross multiply
    634,428.82x = 951,341.91 × 368,270.92
  4. Step 4: Simplify right side
    634,428.82x = 350,351,560,430.26
  5. Step 5: Solve for x
    x = 350,351,560,430.26/634,428.82
  6. Step 6: Final answer
    x = 552,231.47

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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.