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Finding the Fourth Proportional to 634,415.57, 951,322.04 and 368,257.67

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Solution

The fourth proportional to 634,415.57, 951,322.04 and 368,257.67 is: 552,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,415.57 : 951,322.04 = 368,257.67 : x
  2. Step 2: Convert to fraction form
    634,415.57/951,322.04 = 368,257.67/x
  3. Step 3: Cross multiply
    634,415.57x = 951,322.04 × 368,257.67
  4. Step 4: Simplify right side
    634,415.57x = 350,331,636,028.76
  5. Step 5: Solve for x
    x = 350,331,636,028.76/634,415.57
  6. Step 6: Final answer
    x = 552,211.60

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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.